不及物动词

道歉

换现金、零钱

在机场

1. （偶然）发生，出现
Something that happens occurs or is done without being planned.

2. （作为结果）发生，产生
If something happens, it occurs as a result of a situation or course of action.

3. （尤指不愉快的事）发生（在…身上）;(某人)遭到;遇到
When something, especially something unpleasant, happens to you, it takes place and affects you.

4. 碰巧;凑巧
If you happen to do something, you do it by chance. If it happens that something is the case, it occurs by chance.

5. 碰巧，恰恰（尤引出令人意外的事）
You use as it happens in order to introduce a statement, especially one that is rather surprising.