| 1. | Does life exist on Mars? |
| 火星上有生命吗？
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| 2. | We cannot exist without food or water. |
| 没有食物或水我们就不能生存。
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| 3. | I can hardly exist on the wage I'm getting; there is no money for luxuries. |
| 我靠我挣的工资简直难以餬口,根本无钱享受。
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| 4. | They seem to exist on a different spiritual plane. |
| 他们似乎生活在不同的精神境界。
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| 5. | That department has ceased to exist . |
| 那部门已不复存在。
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| 6. | A hive cannot exist without a queen. |
| 蜂房不可无蜂王。
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| 7. | They exist happily with incomes which are but a small part of those acquired by the rich. |
| 他们生活得挺幸福，虽然收入只不过是富人收入的零头。
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| 8. | You can't exist by hope alone. |
| 你不能光靠希望生活。
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| 9. | Problems also exist in agriculture. |
| 农业也存在许多问题。
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| 10. | How do they exist in such wretched conditions? |
| 在这样恶劣的环境中他们是怎么生存的？
|