释义：
need to 需要做某事，有必要做某事
如果需要的不是某个人物或者事物，而是行为时，可以用 need to+动词的形态。另外， need to be+ pp 形态也比较常用。
例句：
I need to stay another day.
我得多待一天。
Hey, stay there! I need to talk to you.
喂，站住！我得和你谈谈。
I need to borrow some money.
我得和你借点钱了。
Let's get together. We need to talk about something.
我们见个面吧，得和你说点事情。
对话：
A: I have to go. I need to get to work.
我现在得走了，要工作了。
B: Don't forget to take your lunch with you.
别忘了把午餐带着。
