how many times ……和 how often……为什么once a year这个回答是用how many times问?

问题描述:

how many times ……和 how often……为什么once a year这个回答是用how many times问?

once a year 用 How often 提问,主要是对频率提问
How many times 对于次数提问.
例如:
How many times have you been to Beijing?
你来北京多少次了?