No, the classes fall into a separate category.

不，这些课程属于一个单独的类别。

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Investors fall into a special category as news consumers; they tend to operate on a hair trigger so they can profit from breaking news before other investors act and wipe out their advantage.

作为新闻的消费者，投资人是一个特殊的类别。他们常常一触即发以至于能在其他的投资人行动，丧失优势前从爆炸新闻中盈利。

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Flying, driving a rental car or taking a taxicab would fall into that category.

乘飞机、驾驶租用的汽车或搭乘出租车都属于这个类别。

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The New York Department of Taxation and Finance has decided that yoga studios fall into a category of businesses specifically weight control or health salons that must pay the city's levy, officials said.

WSJ: Deep Breaths as Yogis Face New Tax

Particularly worrying is the fact that at least some of the would-be perpetrators of such murderous attacks fall into a category increasingly described as "home grown" - that is, suicide-bombers who do not come from abroad, but are citizens of the country they are trying to afflict.

CENTERFORSECURITYPOLICY: War on the Home Front

But many Republicans fall into a third category they are simply unaware that Mr Giuliani is socially liberal.

ECONOMIST: The election: Who will take on Hillary? | The