The principle advanced is simple: the same dollar bill, used twice, is as effective as two individual dollar bills; the same amount of gold reserve has done twice the work.
McCain said the bill is laden with unnecessary projects added by individual members of Congress.
麦凯恩说，这个法案充满不必要的项目，这些项目都是个别国会议员塞进去的。
3
The example in Listing 9 parses the shopping cart XML file and generates a bill with the individual item totals and the sum total for the purchase ( Listing 10).
清单 9 解析这个购物车 XML 文件并生成一个账单，该账单显示项目合计和采购总计（见 清单 10）。