There is extensive online help that details the contents of a validation document and how to author your own validation rules.

大量的在线帮助内容详细说明了验证文档的内容以及如何编写自己的验证规则。

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This extensive—but easy to read! —chart will help you navigate the world of smartphone features and specifications.

下面是一张内容巨广泛但易于阅读的对照图表，帮助你在智能手机功能和规格的世界里清楚的漫游。

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It's scary stuff. Fortunately, there's help thanks to my extensive zombie cinematic background and training.

这委实是桩可怕的事儿。好在我平日对僵尸片涉猎甚广，因而储备了丰富的背景知识和逃生技巧。

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It is no accident that both Mr Labastida and Mr Fox are promising extensive help, such as credit schemes, for small and medium-sized businesses.

ECONOMIST: The beginning of the end of the longest-ruling party | The

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The precision of the Brussels heist suggests extensive help from airport insiders, said air-security experts, who noted that all airports employ thousands of low-paid workers and face high staff turnover.

WSJ: Gunmen Waylay Jet, Swipe Diamond Trove