| 单词 | if it ain't broke, don't fix it | 
| 释义 | > as lemmasif it ain't broke, don't (also why) fix it   colloquial (originally U.S.).  if it ain't broke, don't (also why) fix it: if something is successful, effective, or not obviously defective, there is no need to change or replace it. ΚΠ 1977    Nation's Business May 27/3  				Bert Lance believes he can save Uncle Sam billions if he can get the government to adopt a simple motto: ‘If it ain't broke, don't fix it.’ 1991    Q. Rev. Wines Autumn 46/3  				Can we expect..any outré menu departures—such as bluefish tacos? Or is it simply a question of ‘if it ain't broke, don't fix it’? 2000    M. Brindle  & L. A. Mainiero Managing Power through Lateral Networking iv. 54  				The senior partners..were more comfortable with the old system. ‘If it's not broke, why fix it?’ was the attitude. < as lemmas  | 
	
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