Yes, it does. 肯定回答;No, it doesnt 否定回答;
doesdo 的第三人称单数现在时形式。
Does the quality of teaching depend on class size?
教学质量取决于每个班的人数吗?
When does her new book come out?
她的新书什么时候出版?
I expect she does love you in her own way.
我想她的确是以她特有的方式爱你。
水利万物而不争,
而万物莫能与之争。