如果不需要担心语法的话，设计页面的布局就更加容易了。
Designing the layout of pages becomes easier if you do not have to worry about syntax.
也就是说，设计主题树布局时需要计划安全性要求。
That is, you will need to plan for security requirements when you design the layout of your topic trees.
相反，如果需要从数据集(比如在数据库中必须完成的字段)开始，则最好首先设计数据模型，然后再创建表单布局。
On the other hand, if you're starting with a data set, such as fields that must be completed in a database, start by designing the data model first, and then create the form layout.
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