The Obama administration says there are no plans to close the 3,000 kilometer U.S.-Mexico border.

VOA: standard.2009.04.30

There is no border in the West. So Sal has to reinvent one, and in some sense it's a border of time.

西部里本身没有什么分界线，所以萨尔必须新发明一个，他所分的界限可以说按照时间来的。

耶鲁公开课 - 1945年后的美国小说课程节选

Security was reported to be heavy at the North Korean border, but there was no apparent tightening in Beijing, where Mr.Kim is believed to be heading.

VOA: standard.2010.05.03

So far,there have been no cases detected at the border.

VOA: standard.2009.04.30

Napolitano again defended the administration's decision against closing the U.S.border with Mexico, saying it would incur massive economic costs with no meaningful health benefits, since swine flu is already spreading in the United States.

VOA: standard.2009.05.03

So we have to come up with some kind of a global deal." Analysts say there is no internationally recognized authority at the border of Gaza and whatever steps are taken to provide security will have to involve the Palestinian Authority reconciling or at least cooperating with Hamas.

VOA: standard.2010.06.10