| 41. | Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult. |
| 寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。
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| 42. | Before it becomes a retirement village, Silicon Valley may prove a classroom for building a global business. |
| 在硅谷变成一个退休村之前，它很可能成为建立全球商业的一个教学场地。
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| 43. | That does not prove that it does exist: but it does mean that noise is less dangerous than, say, being brought up in an orphanage -- which really is mental health hazard. |
| 这并不是证实不存在噪音对健康的影响。但它确实说明，噪音的危险性 -- 比如说 -- 比在孤儿院长大所受的危害要小一些，孤儿院才是真正危害精神健康的地方。
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| 44. | From what has been discussed above, I firmly believe that time will prove that traditional technology and methods would die out with the development of modern science and technology. The maintenance of the traditional technology and methods is futile. |
| 通过以上讨论，我坚定地相信时间会证明传统技术方法将会随着现代技术的发展而消亡，坚持传统技术方法是徒劳的。
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| 45. | Rich gifts wax poor when givers prove unkind. |
| 如果送礼的人不是出于真心，再贵重的礼物也会失去它的价值。
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| 46. | As a whole our efforts did not prove to be futile. |
| 总体说来, 我们的努力没有白费。
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| 47. | Perhaps this book will prove to be of some use to you in your studies. |
| 也许这本书会对你的研究有用处。
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| 48. | Never call a an a thief till you can prove him such. |
| 千万不能称人为贼,除非你能证明他是贼.
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| 49. | It will prove of mutual benefit to all concerned. |
| 这将证明对有关各方面都是有益的。
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| 50. | He has a large body of facts to prove his innocence. |
| 他有许多事实可以证明他是无辜的。
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