| 21. | The new work procedure is a great improvement on [over] the old one. |
| 新工序比老工序来是一个很大的改进。
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| 22. | Electric lights are an improvement over candles. |
| 电灯优于蜡烛。
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| 23. | The group's new chairman is an improvement over the past one. |
| 这个组织的新主席比原来的主席好。
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| 24. | This is an improvement upon your first attempt. |
| 这比你第一次的尝试有所进步。
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| 25. | It would bring about an improvement of the conditions of the workingmen and women in the country. |
| 它将使该国劳动人民的状况等到改善。
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| 26. | This marked a distinct improvement in the cleanliness of the streets. |
| 这标志这街道的清洁状况已有明显改善。
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| 27. | I cannot see any improvement in your writing. |
| 我看不出你的协作有什么进步。
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| 28. | The economic conditions of the country have begun to show improvement . |
| 该国的经济状况开始出现好转。
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| 29. | It would be difficult to suggest any improvement . |
| 很难提出改进措施。
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| 30. | I consider it a great improvement . |
| 我认为这是一大提高[改进]。
|