"I am sure.This,I'm sure, is what we should be doing in the future: paying for the environmental services we get from our environment and paying the people who take care of these services.

VOA: standard.2010.02.24

So it's very different from "I will". You're saying, "I am, right now, going to do something in the future."

因此这个句型跟“I will”有很大不同。你实际上表达的意思是，我现在正打算将来做某事。

I'm going to 课堂 - SpeakingMax英语口语达人

So it's very different from "I will". You're saying, "I am, right now, going to do something in the future."

因此这个句型跟“I will”有很大不同。你实际上表达的意思是，我现在正打算将来做某事。

I'm going to 课堂 - SpeakingMax英语口语达人