Start or join a language exchange program.

开始或加入一项语言交流计划。

TT4You: A free global language exchange site.

TT4You：全球免费语言交流网站。

Are you interested in doing a language exchange with me?

你有兴趣和我做个语言交换吗？

I am Tang Baozhu, looking for a language exchange friend.

我是唐宝柱，想找一个英文语伴。

Maybe, if you have time, maybe we could do a language exchange.

可能的话，如果你有时间，或许我们可以做一个语言交流。