| 21. | Limit your expenditure ( s) to what is necessary . |
| 把你的开销限制在必要的范围内。
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| 22. | Rest is necessary after hard work. |
| 赶了劳累的活以后必须休息。
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| 23. | Retrenchment will be necessary . |
| 有必要进行紧缩。
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| 24. | It was agreed that immediate retaliation was necessary . |
| 大家都以为有必要立即进行反击。
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| 25. | Before prescribing a remedy, it is necessary to diagnose the disease. |
| 开药方前必须先诊断疾病。
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| 26. | Extreme measures are necessary in a crisis. |
| 在危急之际采取极端措施是必要的。
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| 27. | The understanding is a necessary moment in the reason. |
| 理解是理性不可缺的要素。
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| 28. | It has been proved necessary to legislate against unequal treatment of women in employment. |
| 已经证明必须立法禁止在就业中对妇女的不平等待遇。
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| 29. | Where necessary they can extend the time limit for the repayment. |
| 如有必要，他们可以延长偿付期限。
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| 30. | That night he seemed to be the necessary ingredient to make the party. |
| 那天晚上他好像是开成聚会的必要人物。
|