| 11. | It may also be said that rational , industrious, useful human being are divided into two classes: first, one. |
| 也可以这样说，理智的，勤劳的、有用的人可以分为两类：第一类是他分清工作是工作，娱乐是娱乐的人；第二类人的工作和娱乐是一回事。
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| 12. | Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence. |
| 父母的教导如果坚定，理性，始终如一，孩子就有可能充满自信。
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| 13. | When very angry, people seldom act in a rational way. |
| 人们在盛怒之下很少会按理智行事。
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| 14. | rational conduct |
| 合理的行为
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| 15. | a rational argument, explanation, solution, etc |
| 合乎情理的论证, 解释, 解决方法等
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| 16. | act from rational motives rather than sentiment |
| 行事出于理智而非出于怜悯之情
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| 17. | a rational approach |
| 合理的方法
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| 18. | a rational explanation' |
| 合乎情理的解释
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| 19. | a reasonable [ rational ] reason |
| 合理的原因
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| 20. | rational and scientific management |
| 合理的科学管理
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