couldn't和shouldn't的区别,急要
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couldn't和shouldn't的区别,急要
![couldn't和shouldn't的区别,急要](/uploads/image/z/5273369-17-9.jpg?t=couldn%27t%E5%92%8Cshouldn%27t%E7%9A%84%E5%8C%BA%E5%88%AB%2C%E6%80%A5%E8%A6%81)
shouldn't是禁止做某事,couldn't比前者委婉些,建议你不要做某事
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