| 21. | His prosperity is on the decline . |
| 他的好光景日渐衰败。
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| 22. | About 2 miles east, the land begins to decline towards the river. |
| 向东两英里左右，土地开始向河边倾斜。
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| 23. | His remedy for decline is trade protection. |
| 他补救贸易下降的方法是采取贸易保护措施。
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| 24. | The demand is likely to continue [improve, decline ]. |
| 这种需求有可能继续下去[增加、减少]。
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| 25. | Is the value of the American dollar likely to decline ? |
| 美元价格可能会下降吗？
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| 26. | The trade figures have fallen into a decline again. |
| 贸易额又下降了。
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| 27. | I'm afraid your grandfather has fallen into a decline , and may not live long. |
| 我恐怕你的祖父身体已经衰弱，可能不久于人世了。
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| 28. | This decline in vigour with the passing of time is called ageing. |
| 生命力随着时间的流失而衰退叫做衰老。
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| 29. | It is generally believed that the chief reason for the increase in population in developed countries is not so much the rise in birth rates as the decline in death rates as a result of the improvement in medical care. |
| 普遍认为，在发达国家人口增长的主要原因与其说是出生率的上升，还不如说是由于医疗保健的改善使死亡率下降了。
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| 30. | For lack of distinct culture, some places will not attract tourists any more. Consequently, the fast rise in number of foreign tourists may eventually lead to the decline of local tourism. |
| 由于缺乏独特的文化，一些地方不再吸引旅游者。因此，国外旅游者数量的快速增加可能最终会导致当地旅游业的衰败。
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