市场中介效应
参考答案:
当一种产品的互补品(如零件、售后服务、软件、网络服务„)变得更加便宜和容易得到时,这个产品的兼容市场范畴得以扩展,该产品的消费者可得到的价值增多了。
—What is used in cloning?
—DNA. You have your own DNA that ______ your parents. [ ]
A. is the same as
B. is similar to
C. is the same to
D. is similar as
奥林匹克会旗为()底。
A.红
B.白
C.蓝
D.黑