天天一个初级英语口语句型，通过实质例子帮助理解，通过听力加大记忆，通过音频纠正发音，从初级开始，从基础抓起，塑造地道美式口语。
You don't have to do that. 你不必这么做。
使用方法透视
"have to"的意思是“不能不做”。这个句型用来表示他们可以不做某事，或间接地表示感谢。
支持范例
1. If you are unwilling to tell them, you don't have to do it.
假如你不想告诉他们，就不必说。
2. You don't have to come so early.
你不必来这么早。
3. You don't have to wait for my permission.
你不必等我的允许。
会话记忆
A: Thank you so much for coming tonight. Everybody really enjoyed your performance.
很感谢你今晚来表演，每一个人都非常喜欢你的节目。
B: I'm glad I could help.
我也非常高兴能有所帮助。
A: Here's the check. I included a little extra for you.
这是支票。我额外加了一点给你。
B: You didn't have to do that!
你不必这么做的！
A: I know, but you deserve it.
我了解，但你得之无愧。