Before you start importing and running the actual code, let me walk you through a little bit of theory.

在您开始导入并运行实际的代码前，让我来为您逐步地讲述一点点理论。

youdao

After the code review, I'll walk you through the process of downloading the sample code and the ECS libraries so that you can execute the example application on your own machine if you wish.

回顾完代码后，我将引导您完成下载示例代码和ecs库的过程，这样如果愿意，您就可以在自己的计算机上执行这个示例应用程序。

youdao

Write client-side code to walk and evaluate the parse tree that's produced at runtime.

编写客户机端代码以遍历在运行时生成的解析树并对其求值。

youdao

And what it's saying semantically is, using that variable as my placeholder, have it walk through this collection, starting at the first thing, execute that code, then the next thing, execute that code, and so on.

它的语义意思就是，把这个变量应用为我的占位符，用它来遍历这个集合，从第一个元素开始，执行代码，然后下一个元素，再执行代码。

麻省理工公开课 - 计算机科学及编程导论课程节选

She had them walk her through how to take the code they offered so she could embed widgets like a registration page and calendar on her own website.

FORBES

McDonald's and Macy's are both integrating QR codes into their hiring ads, so that job seekers or customers can walk into a store, scan the code they see on a poster, and be sent directly to the openings available at that location.

WSJ: How Your Smartphone Could Get You a Job

There is another way in which the tax code is responsible for allowing private-equity types to walk off with vast bounties.

ECONOMIST: Private equity