But what's interesting with these cases is you couldn't have predicted ahead of time that they would be heroes.

但这些例子所表明的就是,你不可能提前预知,他们会成为英雄

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It's a provisional ending. It's not a rhyme word, and so it doesn't constitute the end of a unit of sense as a rhyme word would in most heroic couplets.

它不是真的结尾，不是韵脚，因此它不像大部分英雄双韵体中的韵脚词一样,标志着一个意思表达的完结。

耶鲁公开课 - 弥尔顿课程节选