21. | If production costs go up, there will be a pro rata increase in prices/prices will increase pro rata. |
| 若生产成本增加,则价格也要相应提高。
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22. | The company has declared an increase in profits/increased profits. |
| 该公司宣布利润增加。
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23. | The firm promised a wage increase to the workers/promised the workers a wage increase. |
| 公司答应给工人增加工资。
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24. | The increase in the country's prosperity was due to the discovery of oil. |
| 该国经济之日趋繁荣是由于发现了石油的缘故。
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25. | Prostitution is on the increase in the city. |
| 城里卖淫活动越来越多。
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26. | The campaign was designed to increase public awareness of the problem. |
| 这个运动目的在于提高公众对这一问题的认识。
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27. | Divorce is on the increase . |
| 离婚案不断增多。
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28. | The club has/have decided to increase subscriptions. |
| 会所决定增加报刊订阅份数。
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29. | For sales to increase , we must lower our prices. |
| 我们为了增加销售量,必须把价格降低。
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30. | The increase in taxes had been foreshadowed in the minister's speech. |
| 部长的讲话中早已预示要提高税额。
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