As you see, there are no rails in the tunnel.

就像你看到的这样，隧道中没有铁轨。

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Most modern Web application frameworks are based on the MVC (model, view, controller) pattern, and Rails is no different.

最现代的Web应用程序框架都基于MVC(模型、视图、控制器)模式，Rails也不例外。

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Therefore, after installing IBM_DB as plugin in your application, no manual step is required for the Rails framework to load it.

因此，在应用程序中以插件形式安装ibm_db之后，无需任何手动步骤，就可以让Rails框架加载它。

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The originals and true replicas sport minimal accoutrements above deck, a wheel that stands alone near the stern like a stranded preacher's lectern and no rails or lifelines to catch passengers who lose their footing on a steeply slanting deck.

FORBES: Magazine Article

No problem, except there are no hand rails, an obvious oversight.

WSJ: Snolo Stealth-X Review: A Pricey Way to Zip Down Your Private Mountain | Rumble Seat by Dan Neil

"As I went through my teenage years, the seriousness of what I had been subjected to hit me more and more and I began to go off the rails, particularly as I had no support from my family, " the man said.

BBC: Ex-Isle of Wight choirboy compensated for priest abuse