261. Statistical evidence lends support to the view that a massive influx of funding is needed to strengthen crime prevention programs .
统计数据证明加强防止犯罪的工作需要大量资金投入。
262. Personal experience has taught that kindness to others pays untold dividends .
个人经验告诉我：和善地对待别人会得到数不清的好处。
263. Case histories show that all nations face recurring periods of economic fluctuations .
案例记录表明：所有国家都面临循环出现的经济波动期。
264. Personal experience leads me to conclude that all people need to take time to smell the roses ( evaluate and appreciate the many good things they have in their lives ) .
个人经验使我得出这样的结论：所有人都需要有时间放松（评价并欣赏他们生活中许多美好的事物）。
265. Recent studies conducted by doctors show that excessive exposure to the sun's rays causes skin cancer .
最近医生所做的研究表明：过度暴露在阳光下会致癌。
266. Nationwide surveys conducted in 1997 revealed a dramatic rise in the ownership of television sets , refrigerators , air conditioners and washing machines .
1997年所做的全国范围内的调查显示电视机、电冰箱、空调和洗衣机拥有量大幅升高。
267. History tells us that mankind has a tendency to repeat past mistakes .
历史告诉我们人类有重蹈覆辙的趋势。
268. We have amassed ample objective proof to show the urgent need for crisis intervention in suspected child abuse cases .
我们已经积累了充足的客观证据证明急需干涉可疑的虐待儿童的案件。
269. Unfortunately , available evidence fails to establish any direct link between smoking and cancer .
不幸的是，现有的证据不能证明抽烟和癌症之间有直接的联系。
270. Fortunately , mountains of reliable evidence proves the direct link between smoking and cancer beyond any shadow of the doubt .
庆幸的是，大量可靠的证据证明抽烟和癌症有直接联系是毫无疑问的。
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