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

By the way, if this is beginning to sound like a wrestling match, I don't mean it to.

顺便说一下,我可没有把这个博弈,弄得像摔跤比赛的意思

耶鲁公开课 - 博弈论课程节选

Duh!" of course, is our response, and yet at the same time we can't understand a degree of mystery in even so seemingly simple a pronouncement. A beginning, of course--well, it has to have a beginning.

我们肯定要说：“废话！这不是明摆着的么！“，但同时,我们并不能深刻理解这样一个看似浅显的观点,起因，当然啦，一个故事总要有个开头。

耶鲁公开课 - 文学理论导论课程节选

So, you didn't know at the beginning, you knew you were enrolled in the trial, they gave you a shot, you didn't know whether you were part of the real group that got the test vaccine or the placebo group that got the control; turned out that Bonnie was part of the control group.

一开始你可能不清楚全过程,你只知道你参与了一项试验,他们给你打了一针,你不知道你是属于接种了,试验疫苗的真实试验组,还是属于被注射了安慰剂的空白对照组,结果显示,邦妮属于对照组

耶鲁公开课 - 生物医学工程探索课程节选