你和你的好朋友失去联系了吗？

Did you lose touch with your good friends?

youdao

如果搬到一个新城市意味着与朋友失去联系，你会作何感想？

How would you feel if moving to a new town meant losing track of your friends?

youdao

失去你和你爱的人的联系，在某种程度上危害了我们的安全感。

Losing the connection with a loved one, however, jeopardizes our sense of security.

youdao

So you can't do this, because you're going to lose track of the numbers if you do that.

你不能这样做，因为你那样做，你将会和,这些数字失去联系。

哈佛公开课 - 计算机科学课程节选