I think the answer may involve the possibility that at the beginning of the poem, there simply wasn't a clear distinction between the poet and the speaker.

答案可能包括了,在诗歌的开头,根本就没有一个清晰的区分的可能性。

耶鲁公开课 - 弥尔顿课程节选

Problem Set One will be posted on the course's website tonight by 7:00 p.m. It will very clearly walk you through the week's challenges.

习题集1今晚7：00，将在课程的网站上贴出来,它将非常清晰地带领你们,通过这个星期的挑战。

哈佛公开课 - 计算机科学课程节选

In other words, if you look too closely at a picture or if you stand too far away from it you don't see it clearly it's out of focus but if you achieve just the right distance from it, it comes into focus.

换句话说，如果你站得离一幅图画太近,或太远都无法看清它,它在焦距之外,但是如果你站在合适的位置上，焦距就对准了，画就清晰了。

耶鲁公开课 - 文学理论导论课程节选

So if I type "man sleep," this is going to give me the user's manual for a program called sleep, but there's a gotcha and the problem set it makes clear, sleep notice that it says at top left sleep one.

所以如果我键入“man，sleep“，它将,给我一个叫做sleep程序的用户手册，但是这里有个参考信息，它使问题更清晰，请注意它指明在左上角。

哈佛公开课 - 计算机科学课程节选