词汇 | 以备万一 |
释义 | 以备万一以备万一[yǐ bèi wàn yī]1.■provide against any contingency accidents; emergencies; eventualities; contingencies; be ready [prepared] for any contingency; have a spare wheel ready all the time; have two strings to one's bow on hand; in case anything happens; provide for such an eventuality as ...; take measures in advance against the time of need |
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