often keep in contact with sb
保持经常联系与沟通 stay in constant contact with
保持经常的联系 remain in contact with
希望你一切顺利，并请经常保持联系！
Hope you are doing well and please stay in touch!
youdao
经常保持联系。
Keep in touch often.
虽然我们会在不同的城市，但我们应该经常保持联系。
Tough we will go to different cities, we should keep in touch with each other frequently.
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