与保持通信的英文

but I always remember them,I Will try to keep a correspondence with they in the future.

用百度搜一下就出来了

打电话时用keep talking，go on，continue。hold on是等一下的意思。

打电话的时候就说 hold on 就行了

But they are always on my mind, I think I will strive to maintain a correspondence with them in the future

But I always miss them, I think I will try to maintain a correspondence with them in the future