in a day or two与in one day or two的区别?"He will be back in a day or_英语解答

in a day or two与in one day or two的区别?
"He will be back in a day or two"为什么不能说"He will be back in one day or two"?

人气：400 ℃　时间：2020-04-17 14:36:47

解答

in a day or two =in one or two days
而不是in one day or two