necessary labour TEF/TCF常用TEF/TCF专四

必要的劳动 newnecessary labour的英文翻译是什么意思，词典释义与在线翻译：参考翻译必要的劳动 necessary labour的用法和样例：例句Strenuous labour wore out their youth.
繁重的劳动使她们失去了青春。Loose labour regulations are one reason.
宽松的劳动规则是原因之一。