how often释义：
多长时间一次
例句：
How often do you go swimming?
你多久去游泳一次？
how many times释义：
多少次（歌曲名）
例句：
As a kid, I loved to watch cartoons, but no matter how many times I asked to watch them, my parents would not let me.
当我还是个孩子的时候，我喜欢看动画片，但是无论我多少次要求要看动画片，我的父母都不让我看。
