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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 . 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 suns 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 . | 
