买方使用一个XQuery表达式(如清单10所示)来根据已有的Order文档(如清单8所示)产生一个OrderChange文档(如清单9所示)。
The buyer USES an XQuery expression (shown in Listing 10) to produce an OrderChange document (shown in Listing 9) from the existing Order document (shown in Listing 8).
在一般询价中，买方清晰地表达他想要的全部信息：商品的一般信息、目录、价格表、样品等。
In a general Enquiry, a businessman states clearly all the information he needs - general information, a catalogue, or a price list, a sample or some samples, etc.
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