| 21. | Aunt Harriet could not find words to praise Bessie's industriousness and efficiency . |
| 哈丽特不知该用什么言辞来赞扬贝西的勤奋与高效。
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| 22. | The change met the technical requirements of the new age by engaging a large profess signal element and prevented the decline in efficiency that so commonly spoiled the fortunes of family firms in the second and third generation after the energetic founders. |
| 这种变化通过引入许多的专业因素从而适应了这个新时代的技术要求， 并且它(这种变化)防止了效率的降低。这种效率的降低在精力充沛的 创业者之后的第二代和第三代人(领导公司)的时候，经常会毁掉那些 家族公司的财富。
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| 23. | Efficiency would be multiplied several times. |
| 效率将提高好几倍。
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| 24. | a trade-off between efficiency in use and elegance of design |
| 使用效能和设计优美两方面的协调一致
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| 25. | big savings on fuel through greater efficiency |
| 通过提高效率节省大量燃料
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| 26. | a spur to greater efficiency |
| 提高效率的刺激因素
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| 27. | an efficiency apartment |
| （有一两个房间和小厨房、小浴室的——公寓小套间
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| 28. | develop efficiency |
| 增进效率
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| 29. | impair the efficiency of the work |
| 降低工作的效率
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| 30. | improve [increase, raise] the efficiency of |
| 提高……的效率
|