Mustn't eat rich food错在哪

问题描述:

Mustn't eat rich food错在哪

mustn't 表示绝对禁止,如果想表达不可以的话可以用can't

Mustn't eat rich food
Can't eat rich food

mustn't - don't
祈使句的否定结构:don't + 动词原形

mustn't→Don't