| 单词 | 备而不用 |
| 释义 | 备而不用备而不用[bèi ér bú yòng]1.■have sth. ready just in case; be better to get ready for nothing than caught unprepared; have a thing but not to use it for the time being; Keep a thing seven years and you will find a use for it.; keep sth. for possible future use; put aside for possible use in the future |
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