The weather turned out to be very good ,which was more than we could expect.The weather turned out to be very good :that was more than we could expect.为什么要这样搭配啊,第一句我知道,第二句为什么只改了个符号,却要用that,that不是不可一引导非限制吗?

问题描述:

The weather turned out to be very good ,which was more than we could expect.
The weather turned out to be very good :that was more than we could expect.
为什么要这样搭配啊,第一句我知道,第二句为什么只改了个符号,却要用that,that不是不可一引导非限制吗?