在页脚加一个“返回顶部”的按钮也很好。
页眉或页脚是打印在每一页的顶部或底部附近的单行文本。
A header or footer is a single line of text that prints near the top or bottom of every page.
页眉或页脚是打印在每一页的顶部或底部附近的单行文本。
A header or footer is a single line of text that prints near the top or bottom of every page.
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