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1、prevalent和epidemic的区别

   prevalent 英 [?prev?l?nt] 美 [?pr?v?l?nt] adj. 流行的，盛行的；普遍存在的，普遍发生的 流行的； 不绝于耳； 普通的； 流行的，普遍的 能被表示程度的副词或介词词组修饰的形容词流行的；盛行的；普遍的 A condition, practice, or belief that is prevalent ismon. This condition is more prevalent in women than in men... 这种病症在女性当中比在男性当中更为普遍。 Smoking is bing increasingly prevalent among younger women... 抽烟在年轻女性中变得越来越常见。 The prevalent view is that interest rates will fall. 人们普遍认为利率会下降。 prevalence ...the prevalence of asthma in Britain and western Europe. 英国和西欧哮喘的流行 prejudices are particularly prevalent among people living in the North. 这些偏见在北方人中尤为常见。 2. The custom of worshipping ancestors is prevalent among these people. 崇拜祖先的风俗在这些人中是普遍的。 3. The habit of travelling by aeroplane is bing more prevalent. 乘飞机旅行的习惯变得越来越盛行了。 4. Exogamy remains much less prevalent among African Americans. 异族婚姻在非洲裔美国人中仍然很少见。 5. Colds are prevalent in the winter. 伤风在冬季很普遍。 6. Whooping cough is very prevalent just now. 百日咳正在广泛流行。 7. The prevalent view is that interest rates will fall. 人们普遍认为利率会下降。 8. One form of excise is prevalent that it deserves special attention. 有一种特殊形式的附加工作，它们因十分普遍而备受。 9. It is the most prevalent type in advanced industrial nations. 在各工业发达国家中，这是一种最通行的类型。 . We exposed me of the more prevalent myths about Chrysler. 我们揭露了当时流传比较广的一些关于克莱斯勒的神话。 . It was symptomatic of the prevalent mood of hesitation. 这典型地表明了普遍存在的那种犹疑不决的情绪。 . Farless prevalent at this time were other truly birdlike creatures. 另一些和鸟类相似的动物在当时是不那么盛行的。 . They are more prevalent in ils of the tropical and subtropical regions. 它们在热带和亚热带地区的土壤中较为普遍。 . Terpenoids are more prevalent in me arid or semiarid climates. 萜类在某些干旱或半干旱气候条件下较为普遍。 . They were brought up in the liberal atmosphere prevalent in the s. 他们在六十年代盛行的自由气氛中长大。 . The prevalent is the spiral. 常见的有盘旋形的。 . Signal conditioning is bing more prevalent. 信调节变得越来越普遍。 . That superstition was prevalent among them. 那种迷信在他们之间广为流传。 . Is malaria still prevalent among the populationhere? 疟疾是否仍为此地居民的多发病？ . Bilingual classes are more prevalent. 双语教学班级更为流行。 epidemic 英 [?ep?'dem?k] 美 [pd?m?k] n. 流行病；迅速的传播、生长或发展；风尚等的流行 adj. 流行性的；极为盛行的 流行病； 流行； 流行的； 传染病 复数：epidemics （疾病的）流行，传播 If there is an epidemic of a particular disease mewhere, it affects a very large number of people there and spreads quickly to other areas. flu epidemic is sweeping through Moscow. 一场流感正席卷莫斯科。 ...a killer epidemic of yellow fever. 致命的黄热病的流行 2. 可数名词（坏事的）盛行，泛滥，猖獗 If an activity that you disapprove of is increasing or spreading rapidly, you can refer to this as an epidemic of that activity. .an epidemic of serial killings... 连环杀人现象的猖獗 Drug experts say it could spell the end of the crack epidemic. 禁毒专家说它可能会结束强效可卡因吸食泛滥的局面。 1. the containment of the epidemic 对流行病的控制 2. the outbreak of a flu epidemic 流感的爆发 . 至 年的冬天斑疹伤寒症流行。 4. The Sanitary Board tries to stamp out the epidemic. 卫生局试图消灭这种流行病。 5. In a worstcase scenario, the disease will reach epidemic proportions. 最坏的情况是这种病流行开来。 6. That kind of epidemic disease has long been stamped out. 那种传染病早已绝迹。 7. The authorities tried to localise the epidemic. 当局试图把流行病限制在局部范围。 8. The epidemic swept off most of the villagers. 那场传染病夺去了大部分村民的生命。 9. This was a light epidemic of flu and there was no danger if you avoided pneumonia. 这是轻度流感，只要当心不引起肺炎，就无危险。 . A flu epidemic is sweeping through Moscow. 一场流感正席卷莫斯科。 . The disease recurs in epidemic cycles at twoto threeyear intervals. 本病流行周期为年。 . In , a localized epidemic of Asiatic cholera broke out in London. 一种地方性传染病――亚细亚霍乱于年在伦敦爆发。 . The threat of an epidemic caused great alarm and trepidation. 流行病猖獗因而人心惶惶。 . Buying goods on the installment plan has be epidemic in recent years. 近几年来，用分期付款的办法购物十分流行。 . The news of the epidemic struck terror into the population . 流行病蔓延的消息使居民感到恐慌。 . Disease and coincident dissemination of virus may occur to produce an epidemic. 本病及同时传播着的病毒即可引起一次流行。 . The doctors worked around the clock to stem the epidemic. 医生们不眠不休地为遏止传染病而工作。 . The epidemic disease was kept under control by the authorities' vigorous action. 当局采取有力措施，控制住此种传染病的蔓延。 . A flu epidemic raged through the school for weeks. 流感在这所学校里蔓延了几个星期。 . Daily, hundreds fell a sacrifice to the terrible epidemic. 每天都有几百人染上这种可怕的传染病而牺牲。 epidemic(名词) : 一般在医学相关的文书中用来指突发快速病发的疫病，亦引申为突发快速的灾难 例:an influenza epidemic(流感疫病), an epidemic of strikes (突发大罢工潮) 因此epidemic(形容词)同时带有突发快速发展/成长的特性 例:The little girl's giggles were epidemic, and on the entire gathering was laughing. 小女孩的笑声很有感染力，一下子全场的人都在开怀大笑 prevalent(形容词)则是表达了某种东西已被大众接受/接收了，因而十分普遍 例:a fashion that is prevalent among teenagers 一种流行於年轻人间的服装 Indian headshakes are more prevalent in the uth of the country. 印度式的摇头在国家南部比较普遍.. 再举例:若同一句用上prevalent 和 epidemic: 比如A disease is (prevalent/epidemic) Prevalent 说明了疾病在人群间十分流行~ epidemic则 说明了在一段短时间内，突然有很多人染病了~因而流行了 例子: Merriam Webster 线上英语字典 Thesaurus

2、如果借款者和贷款者都不存在信息不对称问题道德风险问题是否还会存在

   当然会了。道德风险和信息不对称没有必然。 信息不对称是产生道德风险的原因之一，当其不存在时，仍然可能出现道德风险！主观原因产生道德风险是不易被外界所确定的！建议你在上搜“道德风险产生的原因”，你就可以知道答案了！