执行高阶的业务流，包括那些构成其他可重复流的内容（例如，下订单，卖股票）
Performing higher-order business flows, including those composed of other repeated flows (e.g., place order, sell stock)
由于投资者再次确认希腊违约是可以避免的，且数据显示工业订单有所增加，也构成欧元上扬的因素。
The EUR also advanced as investors were reassured a Greek default can be avoided and data to show industrial orders increased.
提供一种下达订单的方法。 每个订单总是由5种不同产品构成。
Provide a method for creating an order. An order will always consist of 5 different products chosen by the user.
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