html语言教程HTML语言教程之页面标记 ... 页面空白(Margin) 页面左边的空白body leftmargin=# 页面上方的空白(天头)body topmargin=##=margin amount ...
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在打字机上打完一行文本后，你得手动地把打印架推回左边的页面空白处，并且把纸调高一行。
After you have typed one line of text on a typewriter, you have to manually return the printing carriage to the left margin position and manually feed the paper up one line.
要更改内容左边和右边的空白，这样又有很宽的页面空白了。
A change needed to also happen with the left and right margins of the content so the wide margins are back in place.
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