We're a tight group, so we do keep in touch.

我们是一个亲密的团体，所以我们的确保持着联系。

《柯林斯英汉双解大词典》

I said I'd been offered an amazing opportunity and I hoped we would keep in touch... You do have to assume you'll meet people again and it would be foolish to speak your mind.

我说他们给我提供了很好的机会，我希望我们能保持联系……确实，你不得不假设自己会再遇上这些人，在这时候和盘托出自己的真实想法会很愚蠢。

youdao

How do your potential community members normally keep in touch with each other?

您的社区的潜在成员一般如何保持联系？

youdao

How do you keep in touch with your friends?

你怎么和你的这些朋友保持联系呢？

一起长大的朋友 - SpeakingMax英语口语达人

Call up some tech recruiters and tell them what you want to do and keep in touch with them.

FORBES: How To Get Into the Tech Industry

Most do not even keep in touch with their alumni.

ECONOMIST: The best is yet to come

If you're traveling and expect to use Maps to navigate, Google to scope out enjoyable things to do, your email app to keep in touch, Instagram to brag, Foursquare to keep tabs, Facebook to kill time and your cloud drive of choice to sift through flight and hotel confirmation PDFs, it'll be dangerously easy to exceed 100MB in a day.

ENGADGET: iPhoneTrip SIM rental review: the best way to keep your smartphone connected while abroad