must例句

You must have noticed how tired he sometimes looks.
你一定注意到他有时候显得特别疲惫。

"His memory must be completely back, then?" — "Just about."
“这么说，他的记忆一定是完全恢复了？”——“差不多。”

There must be any number of people in my position.
一定有很多人处在我这种境况。

• #must