"Include" "contain" "involve"表示“包括，包含”时，意思相近。怎么区别他们呢？请看下文分解吧！

If one thing includes another, it has the second thing as one of its parts.如果一个东西包括另一件东西，那么后面这件东西就是组成前者的一部分。"Include" usually deals with a list."Include" 通常涉及到列表性质的内容。

My favorite sports include volleyball and badminton.我最喜欢的运动包括排球和羽毛球。My rent is 50,000 yen per month, and this includes my water bill as well.我的房租是每月50000日元，这包括我的水费。

---

If sth contains sth else, it has that thing inside it. (to have something inside)如果某物含有其他东西，那个东西就包含在它的内部。

This drink contains alcohol. 这种饮料含有酒精。The chocolate bar contained sugar.巧克力含有糖。

If a situation or activity involves something, that thing is a necessary part or consequence of it.如果一种情况或活动包含某件事，那件事就是它的必要部分或结果。（一种逻辑的因果关系）

Any investment involves an element of risk.任何投资都包含一定的风险。Many of the crimes involved drugs.许多罪案都与毒品有关。