The clash over the disputed sea boundary between the two Koreas left patrol vessels from both sides damaged and inflamed military tensions on the Korean Peninsula.

VOA: standard.2009.11.11

There is a wonderful archaeological discovery of a boundary stone near Athens on which it is written on one side, this is Athens, it is not Megara.

在雅典城附近,考古人员令人惊奇地发现了界碑,界碑的一面刻着,"这里是雅典,不是麦加拉"

耶鲁公开课 - 古希腊历史简介课程节选

A normal reason for fighting is a dispute about a piece of land that is more or less on the boundary between them, and so that's one aspect of their world.

战争的常见原因就是领土争端,争夺一片或多或少在他们边界之间的领土,这是他们生活的一个部分

耶鲁公开课 - 古希腊历史简介课程节选