不必,不需要
先理解核心含义，再看它在真实句子里的用法。
不必,不需要
used to say that something is not necessary or obligatory
You don't have to come if you're busy.
如果你忙,你不必来。
不必,不需要
used to say that something is not necessary or obligatory
Use don't have to naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.