because it’s such a convenient, such an easy way to keep in touch with everybody.

因为这个真的可以很方便地跟大家保持联系。

便利的社交媒体 - SpeakingMax英语口语达人

and it's a really convenient way to keep in touch with them.

这样联系他们真的很方便。

用社交网站找到的人 - SpeakingMax英语口语达人

Be sure to keep in touch.

一定要保持联系。

I'm sure 课堂 - SpeakingMax英语口语达人

I still keep in touch to, keep in touch with until today.

我们还有保持联系，到现在还联系。

我尊敬的教授 - SpeakingMax英语口语达人