没有区别。二者都是“谋生”之意。earn a living 例句:①He earns a living by hunting.他靠打猎谋生。②Mr White was the only doctor in that small town, so that he had a fair chance to earn a living.怀特先生是那个小镇上惟一的医生,因此他有赚钱的好机会。earn one's living 例句:①The women earn their living by weaving.这些女子以纺织为生。②I'll do anything within reason to earn my living.为了谋生,只要是正当的事我什麽事都做。