To calculate the desired line height and margin of 18px for the basic leading I do this.

要计算出基本行距所需的行高和18px的空白，执行下面的计算。

youdao

Growth in high-tech industries is leading that of the industrial sector by a wide margin.

高科技行业的增长扩大对在工业部分的领先优势。

youdao

Gallup polls taken since 1952 suggest that the candidate leading with around week to go is usually victorious, albeit by a smaller margin in actual votes.

从1952年就已开始的盖洛普民调测验提出，领先大约一周的竞选人通常会获胜，尽管实际胜出票数要(比民调)更少。

youdao

The latest opinion polls have him leading Miss Megawati by a margin of over 30 points.

ECONOMIST: Indonesia's election: Strangely calm | The

In the Newsweek poll, he actually is leading Hillary Clinton above the margin of error, by six points in Iowa.

NPR: Huckabee Gets Momentum; Oprah Helps Obama

Apple has a leading market position by a wide margin with its iPad and others, like Microsoft (MSFT) and several mobile phone manufacturers, like Samsung, are trying to catch up.

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