Step 5: Avoid any choke points.

避开任何堵塞点。

Windows was the choke point, just as the bridge to St Louis was in the railroad case.

Windows系统就是咽喉要道，就像铁路案例中通往圣路易斯的大桥一样。

In a case such as this, the best initial question is a straightforward one: where is the choke point?

在这种情况下，首先最该提出的问题是一个直截了当的问题：咽喉要道在哪里？

So, there's a choke point inside the cars themselves.

所以， 汽车本身就有一个瓶颈。

The cars are using all available lanes right until the choke point.

汽车使用所有可用的车道，直到阻塞点。

You can see how it could act as a choke point for trade.

你可以看到它如何成为贸易的瓶颈。

Once finished, whomever control the Panama Canal would control one of the most strategically important maritime choke points in the entire world.

一旦完工，谁控制了巴拿马运河，谁就控制了全世界最具战略意义的海上咽喉之一。

And by setting up a choke point here, one can fully control all of the trade and transportation flowing into and out of it.

通过在这里设置一个阻塞点，人们可以完全控制所有进出这里的贸易和运输。

And all of it could effectively be dominated by whoever controlled just this small choke point right near the entrance to the Mississippi river.

所有这些通道，都可以被控制密西西比河入口附近的这个小阻塞点的人有效地掌控。

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。