通常我们支付给代理人的佣金是每笔交易达成金额的百分之五。

We usually pay our agents a 5% commission of the value for each deal.

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——回头客是旅游零售代理商主要的客源，有三分之二的咨询是来自于现有客户。

Repeat customers were a major source of business for retail travel agents with two-thirds of total enquiries coming from existing clients.

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如第1部分所述，动态代理客户端通过JAXB 2.0数据绑定技术公开XML，从而隐藏了使用XML API的复杂性。

As mentioned in Part 1, dynamic proxy clients hide the complexity of working with XML APIs by exposing the XML via JAXB 2.0 data binding technology.

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