11. One eyewitness is better than ten hearsays.百闻不如一见。
　　12. One good turn deserves another.行善积德。
　　13. One hour today is worth two tomorrow。挣分夺秒效率高。
　　14. One man’s fault is other man’s lesson.前车之鉴。
　　15. One never losses anything by politeness.讲礼貌不吃亏。
　　16. One swallow does not make a summer.一燕不成夏。
　　17. One’s words reflect one’s thinking.言为心声。
　　18. Out of debt, out of danger.无在一身轻。
　　19. Out of office, out of danger.无官一身轻。
　　20. Out of sight, out of .眼不见，心为静。
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