how come
成語所屬單字how
how come — 慣用語
1. used in informal speech to ask why something has happened or why a situation exi
1.慣用語
釋義
used in informal speech to ask why something has happened or why a situation exists
例句
How come you are not going to Lakshmi's birthday party?
If she has a car, how come she always takes the bus to work?