They could have made a difference with a little effort .的中文 意思?

问题描述:

They could have made a difference with a little effort .的中文 意思?

他们本来只要一点点努力,事情就会变得很不一样.
意思是他们的努力对事情会有作用和影响的,但是他们没做.
Could have done表示本来可以做,却没有做
祝好!
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