You ought not to carry on long conversations with your friends when someone else is waiting to use the telephone.

当还有其他人等着电话时，你不应该与朋友长谈。

youdao

You ought not to carry on long conversations with your friends when someone else is waiting to use the telephone.

当还有其他人等着电话时，你不应该与朋友长谈。

youdao