This means that XQuery consists of several kinds of expressions, such as path expressions, conditional expressions, and element constructors, that can be composed with full generality.

这就意味着XQuery是由多种表达式构成的，如路径表达式、条件表达式以及元素构造函数，是完全通用的。

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This article focuses on two important kinds of XQuery expressions: FLWOR expressions and path expressions.

本文主要讨论两种重要的XQuery表达式：“FLWOR”表达式和路径表达式。

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Since expressions are not covered in the digital signature, it is important to verify that expressions aren't harmful, and that the code behind functions that are called by expressions is safe.

因为数字签名没有覆盖表达式，所以验证表达式无害，并且其调用的函数代码是安全的将非常重要。

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Every week at this time, the Voice of America tells about popular words and expressions used in the United States.

VOA: special.2009.03.22

What I have now is the following: I can write expressions, do combinations of things to get out values, I can store them away, I can print them up.

我已经讲过如下内容：,如何写表达式，如果把东西混合然后得到结果值，我可以将其保存，也可以将其显示。

麻省理工公开课 - 计算机科学及编程导论课程节选

in which the three parts of the city and the three parts of the soul are direct expressions of one another.

是一种城市的三个阶级,与灵魂的三个部份,彼此直接呼应的和谐状态。

耶鲁公开课 - 政治哲学导论课程节选

Forward-looking statements generally can be identified by the use of forward-looking terminology such as, "believe, " "expect, " "may, " "will, " "intend, " "estimate, " "continue, " or similar expressions or the negative of those terms or expressions.

ENGADGET: Cox to offer retail TiVo Premiere DVRs next year, first with cable VOD & Amazon, Netflix access

Spontaneous expressions originate from different parts of the brain than the controlled, posed expressions we see in the lab.

FORBES: Volkswagen Ad Gets Better the More You Watch It: Results from the Affectiva Smile Tracker

As they report in the Proceedings of the National Academy of Sciences, they videotaped the animals' behaviour for several hundred hours over the course of 16 months in order to record three things: facial and vocal expressions, hand and foot gestures, and the behavioural context in which these expressions and gestures took place (eg, grooming, play, sex and aggression).

ECONOMIST: Evidence that the first words were movements, not sounds