八纲辨证是指:表里、寒热、虚实和()。
A.浮沉
B.润燥
C.正邪
D.盛衰
E.阴阳
参考答案:E
Quality of the present shipment is equal to () of last consignment.
A. this
B. these
C. that
D. those
营销者可以通过什么方法提高购买者所得的价值?