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stand in
v
例子
When the lead actor fell ill, a colleague had to stand in for the important scene.
The experienced employee offered to stand in for the new recruit during the training session.
A friend was kind enough to stand in for the babysitter when unexpected plans came up.
The CEO had a scheduling conflict, so the vice president had to stand in and represent the company at the international summit.
The keynote speaker couldn't make it to the conference, so they had to find someone to stand in and deliver the address.
