What are you up to?

你呢？你怎样？

You bet!

当然！

That sounds a good idea. Thank you.

好主意！谢谢你。

All right, but I'm buying next time.

好吧，不过下回我付钱。

Yeah, it's been a long time.

是啊，好久没见面了。

I love the fresh air, the scenery, the exercise, and the time to think.

我喜欢新鲜的空气、景致、运动以及有时间思考。