备而不用的英文

参考释义

备而不用[bèiérbúyòng]

• -havesth.readyjustincase;bebettertogetreadyfornothingthancaughtunprepared;haveathingbutnottouseitforthetimebeing;Keepathingsevenyearsandyouwillfindauseforit.;keepsth.forpossiblefutureuse;putasideforpossibleuseinthefuture