be/live in a dream worldIMAGINEto have ideas or hopes that are not correct or likely to happen 生活在梦幻世界 If you think that all homeless people have it as easy as me, then you are living in a dream world. 如果你认为所有无家可归的人都能像我那样轻松自在，那你就想得太美了。
be/live in a dream world• If you think he'll change, you're living in a dream world.
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