The first argument of both of these calls is a regular expression specifying the URL that the customer may pass in.

这两次方法调用的第一个参数是一个正则表达式，用于指定用户可能传入的 URL。

youdao

Notice, in line 60, the XPath expression as argument of SUM function.

注意第60行中作为SUM函数参数的XPath表达式。

youdao

The dyn: evaluate function converts its argument to a string and dynamically evaluates that string as an XPath expression, returning the result of this evaluation.

evaluate函数将其参数转化成一个字符串，将该字符串作为XPath表达式进行动态计算，并返回结果。

youdao

Another common expression, to hold water, is about the strength or weakness of an idea,opinion or argument.

VOA: special.2009.05.10

What happened at Enron (otc: ENRNQ - news - people ), the argument goes, was a perfect expression of capitalism and its excesses.

FORBES: A Virtuous Cycle

Nor can I buy the argument, made here by Joe Weisenthal, that the abandonment of gold equates to a new expression of faith by investors that central bankers and policy makers have more or less fixed our economic problems and that its better to be in stocks, not rocks.

FORBES: Gold Inches Up As Goldbugs Seek Reasons For Historic Rout