布罗兹区的浅湖连接着六条河流，形成了一个往来自由通行无阻的水路航行系统。
Six rivers link the Broads' shallow lakes, creating a lock-free, navigable system of waterways.
好的，现在任何程序不管它运行多长时间，我们都可以让它通行无阻，并且为它运行提供保护。
Well, we can pass in the code of any program that's been running for a long time and ensure that it's working.
当我最初有机会能出国旅行， 我没想到原来我可以这麽轻易的足踏这麽多的国家， 通行无阻；
When I first had the opportunity to travel, I had no idea how easy it was to visit so many countries without obstruction.
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