思考一下前面所说的GUI控制面板；在Unix 中编写这个程序时，一种高性能的做法是只在select()系统调用检测到到达的数据时才更新显示。
Think of the GUI control panel; a high-performance way to program this with Unix is to update the display only when the select() system call detects arriving data.
如果您的客户选择支付与Webmoney，他们的信用卡信息将不会被储存在他们的帐单概况和结算信息将不会显示在控制面板中。
If your customers choose to pay with Webmoney, their credit card info won't be stored in their billing profiles and billing info won't show in the control panel.
如果您的客户选择支付与Webmoney，他们的信用卡信息将不会被储存在他们的帐单概况和结算信息将不会显示在控制面板中。
If your customers choose to pay with Webmoney, their credit card info won't be stored in their billing profiles and billing info won't show in the control panel.
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