婚礼和会议是有很大的不同的。

Wedding ceremonies are very different from conferences.

youdao

肯定和疑问的语气是有很大的不同的。

There's a big difference between an affirmation and a question.

youdao

但对于我们平常的讲话方式来说，显然是有很大的不同。

It certainly forms a stark contrast to the way we usually talk.

youdao

So, one thing to remark about this game, one thing that we've learned immediately, is that this game is different in a significant way.

这个博弈中最明显的一点,也是直接能观察出来的是,这个博弈和其他博弈有很大不同

耶鲁公开课 - 博弈论课程节选

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