The secrecy policy causes search engine technology to remain largely a black art and to be advertising oriented.

保密政策使得搜索引擎技术在一定程度上保留着它神秘的面纱，并且面向广告。

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Rather, each large eye is a dome-shaped bundle of tubes.As you move about, only the tubes that are oriented toward you appear black, giving the illusion that you are being tracked.

每个大眼睛就像一束绑缚在一起的显像管，当你移动时，对著你的管子就显示成黑色，因此你会有种错觉，认为它在盯著你看。

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He became the first black artist to be prominently featured on that young, rock-oriented channel when the success of Billie Jean and Beat It became so overwhelming it could not be ignored.

专辑中歌曲《Billie Jean》和《Beat It》的大肆走红让以针对年轻人和摇滚乐为主的MTV频道无法忽视。 因此，杰克逊成为首位登上该频道的黑人歌手。

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Radio One is also expanding into cable, starting TV One, a black-oriented channel in January--teamed with powerhouse Comcast.

FORBES: Radio Days

So from the point of view of getting black-oriented programming in front of the largest number of potential customers, bundling is really quite a good idea.

NPR: World Bank Changes, Understanding Unemployment

That sentiment was all over black-oriented blogs.

CNN: Commentary: Obama's silence on Chicago crime