they

[英]
pron.她们;他/她/它们

The two men were far more alike than they would ever admit.
那两个人也许不承认，可他们非常相像。
The teacher is not responsible for the student's success or failure. They are only there to help the student learn.
教师对学生的成败并不负有责任，其职责只是帮助学生学习。