Because it is easy to use, it is often a very popular choice when simple tests are needed.

因为很容易使用，所以在做简单测试时，它经常是受欢迎的选择。

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In this article, you took a very simple example, querying three popular search engines.

在本文中，您用一个非常简单的示例，查询了三个最受欢迎的搜索引擎。

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Yet how could such simple stories be so popular?

然而，这么简单的故事为什么如此受欢迎呢？

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On the one hand there are relatively simple, hugely popular games such as those developed by Zynga.

FORBES: How Meteor Games Competes With The Zyngas Of Social Gaming

The popular NOOK Simple Touch and NOOK Simple Touch with GlowLight are set to launch in the UK in time for the holiday shopping season.

ENGADGET: Nook headed for UK as Barnes & Noble goes international, dabbles in the Queen's English

Dropbox became popular as a simple way for people to sync files across mobile, desktop and a variety of devices.

FORBES: Dropbox Adds Photo Sharing, Document Viewing