margins

The poll shows that the government is leading by the narrowest of margins.

民意调查显示，政府以极其微弱的优势领先。

Using cheap labour increases profit margin.

使用廉价劳动力可提高利润。

He spent the 1980s on the margins of British politics.

20世纪80年代他曾稍稍涉足英国政治。