to come and go

• 书信来往

  correspondence

• 来往行人很多。

  There are lots of people coming and going on the streets.

• 成千上万的来来往往的旅客

  thousands of tourists coming and going

• 行人来往不断

  there is a continuous stream of passers-by

• 禁止车辆来往

  no through traffic

• 来往车辆很多。

  There are lots of cars going by.

• 这艘轮船在青岛和上海之间来往

  this steamship plies between Qingdao and Shanghai