An HTML page shouldn't contain the equivalent of multiple book sections, but should instead contain a single section without any nested sections.
一个HTML页面不应包含相当于书籍中多个章节的内容，而应该只包含没有嵌套其他章节的一小节。
2
Users are required to have user mappings or an equivalent mechanism (refer to the previous section on user mappings) in order to successfully connect to the specific data source.
为了成功地连接到特定的数据源，用户需要具有用户映射或等价的机制(请参阅前一节“用户映射”)。
3
This section shows a PHP implementation that is functionally equivalent to the Groovy implementation shown above.