You must stay in bed for another two days.
你必须卧床两天。
You must (stay) in bed for another two days.
你一定要在床上再休息两天.must do，一定要做。
Yes. He must remain in bed for another two days.
是的，他还必须卧床两天。
By the way, can I keep the book for another two days?
顺便问一下，这本书我可以再多借用两天吗？
By the way, can I keep the book for another two days?
顺便问一下，这本书我可以再多借用两天吗？
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