大小单双是根据什么开出的简介：There were two girls sitting on the No. 7 bus. One was bright and white-toothed, looking forward, and the other was as fair as a melon face and as calm as a lake. They were both wearing coats of similar colors.
There were two girls sitting on the No. 7 bus. One was bright and white-toothed, looking forward, and the other was as fair as a melon face and as calm as a lake. They were both wearing coats of similar colors.
