To see what portion of the theme preview is included in each section, click the preview icon next to the sectionlabel and then look at the preview box.
要了解每一部分包含主题预览的哪一部分，请单击其标签旁边的预览光标，然后查看预览框。
2
Don't worry about the primary key "leaking" through - you'll see how to add a more descriptive label in the next section.
不用担心“泄漏”主键—在下一节将会看到如何添加更具描述性的标签。
3
Listing 1 is an excerpt from a stylesheet that USES the keep properties to prevent breaks between the title and the section or breaks between the label and the image.