Formal price-fixing by cartel and informal price-fixing by agreements covering the members of an industry are commonplace.
通过卡特尔进行的正式价格垄断，以及通过涵盖行业成员的协议进行的非正式价格垄断，都是司空见惯的。
2
Beneath the photos are price tags covering the range of prices: eight minutes, one hour and one day with the prices of 8 yuan, 20 yuan and 100 yuan respectively.
在照片下面是根据时间长短定下的价格：8分钟卖8元，一小时卖20元，一天卖100元。
3
In this paper, system primary structure, subsystem design, system data flowchart, network structure and the Alternative Covering design Algorithm to predict the price of coal are discussed in detail.