a matter of course 理所当然的事， 必然的结果

例句：

1. As a matter of course, he was elected monitor.

他当选为班长是理所当然的事.

2. If police are carrying arms as a matter of course then doesn’t it encourage criminals to carry them?

如果警察每天理所当然地携带武器，这难道不会促使罪犯也持械吗?

3. I lock the door as a matter of course.

我当然要把门锁上.

4. Same took his long days as a matter of course.

岁月悠长,桑姆这样过日子已习以为常了.

5. I check my in - tray every morning as a matter of course.

我照例每天早晨查看收文盘.