time做时间讲是不可数名词 但the start of the year is often a time for making resolutions中为什么有a我只知道a long time 是固定搭配,求详解,我会及时采纳.

问题描述:

time做时间讲是不可数名词 但the start of the year is often a time for making resolutions中为什么有a
我只知道a long time 是固定搭配,求详解,我会及时采纳.