问题描述：
一道英语句子理解题.
-What's wrong with your pen again?there isn't enough time.
-The ink won't come out.
这里为什么要用won't不用Can't.
-What's wrong with your pen again?there isn't enough time.
-The ink won't come out.
这里为什么要用won't不用Can't.
问题解答：
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