I'm in

I'm in—this project sounds exciting and I want to be part of it.算我一个——这个项目听起来很让人兴奋，我想参与其中。

If you're going to challenge the decision, I'm in—we shouldn't have to accept it.如果你打算对这个决定提出质疑，算我一个——我们不应该逆来顺受。