| 21. | She swindled 1000 out of the Social Security . |
| 她骗得了1000英镑社会保险金。
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| 22. | Then I had a stint as security officer in Hong Kong. |
| 我那时在香港做过一阵护卫员。
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| 23. | People look forward to security in the evening of their lives. |
| 人们期望晚年生活有保障.
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| 24. | It is reassuring to note that airport security has been improved. |
| 注意到机场安全已有了改善，使人放心了。
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| 25. | It is reassuring that airport security has been improved. |
| 机场安全已有改善，这让人感到放心。
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| 26. | The security market is steadily going down due to the tightening money situation. |
| 由于金融形势紧缩，证券市场行情正在逐步下跌。
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| 27. | They closed the door upon us on security grounds. |
| 他们以安全为借口把我们拒之门外。
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| 28. | During the night, security guards make regular patrols of the factory premises. |
| 夜里，保安人员在厂区定时巡查。
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| 29. | A security must be obtained for the due performance of the contract. |
| 必须获得正常履行合同的担保。
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| 30. | A happy childhood helps to give children security . |
| 幸福的童年生活有助于儿童获得安全感。
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