意思不同:
too...to,太而不能
so...that,如此。。。以致
你在选择填空之类的题里当然不能互换着填,你要是把so that 填到too to那意思就全反了。
当然,这几个在意思上是可以互换的。
eg:he is too poor to buy it===he is so poor that he can't buy it===he is not rich enough to buy it.
追问he is not rich enough to buy it. 为什么rich 不与前面poor一样啊,干嘛要换
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