i have been to the city three times.这个句子里three times 为什么前不加for 如果_英语解答

i have been to the city three times.
这个句子里three times 为什么前不加for 如果是many times或者就是times 呢

人气：435 ℃　时间：2019-12-21 14:06:21

解答

three times 是3次而不是一段时间.提问用how many times .I have been there for three years .提问用 how long .