不要为了关联而定义关联；只在你需要一起加载它们时才这么做，这应该由你的业务规则和设计来决定(见范例5)。
Don't define an association for the sake of association; do so only when you need to load them together, which should be decided by your business rules and design (please see Example 5 for details).
博客的审美和设计由你自己来决定。漂亮的博客不会损害到人们对于你工作的看法。
The aesthetics of your blog and your blog design are up to you. Pretty blogs don't hurt people's opinion of your work.
由你决定图像的大小应该是多少，来与整体的布局和设计相搭配。
It's up to you to determine what size they should be from there, matching the image to your overall layout and styles.
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