提取足够的现金维持到你收到下一次的工资支票，这样可以节省下这部分时间。
Save that time by withdrawing enough cash to last until you receive your next paycheck.
如果保留文档原有格式，而为特定任务提取相关信息，则可以节省不少时间和精力。
Retaining the document's original format and extracting relevant information for specific tasks saves substantial time and effort.
由于从XML文档中提取特定的数据时，XPath能够为开发人员节省大量的时间和精力，XPath得以流行起来。
XPath is popular because of the considerable amount of time and effort that the language can save a developer when extracting specific bits of data from an XML document.
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