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问题: had better 和should 有区别吗

解答:

简单说,按照语气的强硬程度和意义的强制性排序:

might as well 不妨 < had better 最好 < can 可以(表能力和允许) < may 可以(只能表许可) < need 需要(强调必要性)< ought to 约等于 should 应该,按理说应当 < must 必须