When printing lists, contains the number of lines on the top margin.

在打印清单时，包含了顶端空白的行数。

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Notice how the top margin of the second paragraph is extended vertically to meet the bottom margin of the previous paragraph.

请注意第二个段落的上边框是如何垂直扩展以便与前一段落的底边框相接的。

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Previous element vertical constraint. A left float box's top margin edge may not be higher than the top margin edge of any block or floated box generated by an earlier element in the source document.

之前元素的垂直限制：左浮动框的上margin edge不能高于任何块或在由源文档中前一元素生成的被浮动框的上margin edge。

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The high margin, top end smartphone market appears out of reach for them.

FORBES: HTC's Q1 Projections Show Smartphone Manufacturer In A Terminal Descent

The real reason behind the fall was the forced selling by the speculators who bought on margin near the recent swing top.

FORBES: Forced Selling Adds Fuel To Apple's Fall

What has been proven is that if you are one of the top spenders, innovation will impact gross margin (the percentage of revenue left over after subtracting the costs of materials, labor, manufacturing, and direct shipping, and after paying other expenses incurred in making the products or services sold).

FORBES: Innovation Law #3 - The Law of Resources