But Carnegie struck his enemy at an even more vulnerable point.

但卡内基在更脆弱的地方打击了他的敌人。

Nations have polarized into superexporters and superimporters, and much of this trade passes through vulnerable choke points, such as the Turkish Straits and the Suez and Panama Canals.

世界各国已经两极化，变成超级出口国或超级进口国，而绝大部分的贸易得经过脆弱的咽喉要道，例如土耳其海峡、苏伊士运河和巴拿马运河。

Others at the campsite were also mulling over whether or not to leave the campsite, and find vulnerable points along the border to cross into the Balkans -- the preferred route to western Europe.

营地里的其他人也在考虑是否要离开，寻找边境上防护薄弱点进入巴尔干半岛——这是进入西欧最理想的途径。