Familiarity with server-side programming can also help you as you follow along with this tutorial.

熟悉服务器端编程也有助于您跟随本教程的操作。

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The completed application is demonstrated so that you can get a feel for where the tutorial will take you as you follow along and build your own application, step by step.

完成后的应用程序将被演示，这样当您跟随本教程逐步构建自己的应用程序时，就知道本教程将把您带向何处。

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As the article steps through the lines in this script file, you can either follow along with the code shown in Listing 1 or open the script file in your favorite text editor.

因为本文将逐步介绍该脚本文件中的代码行，所以您既可以参照清单1所示的代码，也可以用您偏爱的文本编辑器打开该脚本文件。

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To understand what the theory is doing, as Mr Rabin and Mr Thaler explain, you need to follow along with some arithmetic.

ECONOMIST: Economics focus