继续阅读本文之前，建议您看一看这些文章。
I suggest you read these articles before proceeding with this one.
建议您在开始阅读本文之前，先阅读第一篇文章，并且完成该文中概述的应用程序。
It is recommended that you read that article, and complete the application as outlined in that article before starting this article.
在继续阅读之前，建议您先去阅读本系列的第1部分和第2部分。
You are encouraged to read Part 1 and Part 2 of this series before proceeding further.
应用推荐