Yuo must keep off on the grass同义句转换

问题描述:

Yuo must keep off on the grass同义句转换

keep off是离开,走开的意思,可改成 You can‘t approach the grass 或 You have to keep off on the grass

请勿踩踏草地

有没有变化格式要求?否则有很多种变化形式,如:
= Please keep off on the grass.
= Please don't step on the grass.
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