It's a way to nod your head and say that you're okay with moving forward.

这个句型表示你会点头同意继续推进一件事情。

I'm ready to 课堂 - SpeakingMax英语口语达人

I agree is a useful pattern for nodding your head with someone for coming to a similar place.

当你对别人的想法点头称是时，I agree 是一个非常有用的句型。

I agree课堂 - SpeakingMax英语口语达人