We hold that the pricing of information service is determined by both pricing spread and demand rule.
“信息服务”的价格厘定主要受价格差别与需求规律的左右。
Supply and demand rule the markets - Understand the rules of supply and demand, make use of trends, and sell into strength.
市场是由供求关系决定的——理解供求规律，利用趋势，介入活跃市场。
Supply and demand rule the markets - Understand the rules of supply and demand, make use of trends, and sell into strength.
市场是由供求关系决定的——理解供求规律，利用趋势，介入活跃市场。
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