Merry arrived seven years after her mother had her first child and she was quite a Christmas gift.

VOA: special.2009.12.21

In the first example, maybe your mother has been spending a week with you.

在第一句例句中，可能你的母亲陪着你花了一周的时间，

Why don't 课堂 - SpeakingMax英语口语达人

Remember, everything we did was a first, not because we were pioneers or inventors, but it is literally, necessity is the mother of invention.

VOA: standard.2010.06.21