retention
柯林斯词典
1. N-UNCOUNT The retention of something is the keeping of it. 保留[正式]
The Citizens' Forum supported special powers for Quebec but also argued for the retention of a strong central government. 《市民论坛》支持魁北克的特殊权力，但是也主张保留一个强有力的中央政府。
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retention /rɪˈtɛnʃən/
剑桥词典
- the continued use, existence , or possession of something or someone
保留；保持；维持
Two influential senators have argued for the retention of the unpopular tax . 两位有影响的参议员主张保留这项不得人心的税收。
The retention of old technology has slowed the company's growth . 死守着旧技术不放减缓了这家公司的发展。
water /heat retention 水分保持／热量滞留 返回 retention