31. | They produce no more children than they can conveniently maintain. |
| 他们生孩子不超出自己的抚养能力。
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32. | The soil is so fertile as to produce two crops of rice yearly. |
| 这儿土壤肥沃,一年能生产两季稻。
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33. | It will produce political complications. |
| 它将产生政治纠纷。
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34. | Produce is comparatively scarce. |
| 农产品比较缺乏。
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35. | Pressing the eyeball in the darkness will produce the sensation of light. |
| 在黑暗中按压眼球会产生光亮的感觉。
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36. | Produce your ticket. |
| 拿出你的票来。
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37. | When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it. |
| 当我们开始考虑垃圾问题时,我们只有4种对付垃圾的方法:倾倒、焚烧、把垃圾变成再生材料或试图少产生一些垃圾。
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38. | We keep trying all four methods, but the sheer volume of rubbish we produce worldwide threatens to overwhelm us. |
| 我们一直在试这4种方式,但是,我们在世界范围内仅产生的垃圾的量就有把我们覆盖的危险。
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39. | The need to produce ever-increasing quantities of cheap food leads to a different kind of pollution. |
| 日益增长的对廉价食物的需求导致了另一种形式的污染。
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40. | Industrialized farming methods produce cheap meat products: beef, pork and chicken. |
| 工业化的农作方式生产出廉价的肉类制品——牛肉、猪肉和鸡肉。
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