It is common practice for companies to pay different commission rates for various types of sales 不同的销售方式要按不同的佣金率来付佣，对于公司来说这是惯例。
2.
What about the commission ? from european suppliers i usually get a 3 to 5 percent commission for my imports . it ' s the general practice 佣金呢？从欧洲供销商那里，我通常可以得到进口产品3 - 5 %的佣金。这是惯例。
