Maybe it's an invitation to the reader to recognize that there is a better argument here than even the characters in the drama have noticed.

也许是要邀请读者,来辨别出,还有更好的论证,甚至连剧本里的人都注意到了。

耶鲁公开课 - 死亡课程节选

you could leave your response to the invitation slightly open-ended by saying you're not sure.

你可以表示你不确定，开放性地回复这个邀请。

I don't know 课堂 - SpeakingMax英语口语达人

one very natural and very polite way to send an invitation is by using the "I'd like" pattern.

一种非常自然并且礼貌的邀请做法是使用“I'd like”句型。

I'd like 课堂 - SpeakingMax英语口语达人