Mast laying down operation shall be guided by one commander, and the place where he stays shall be safe and within the driller's vision.

下放作业应在一名指挥的统一指挥下进行，指挥所处位置应在刹把操作者能直接看到并且安全的地方。

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"The Tea Party movement is not a top-down operation.

VOA: special.2010.03.06

So I put my head down and focused on operation technology, focused on the user's experience, and I delivered.

我选择脚踏实地工作，专注于公司的运营，专注于提升用户体验，这一切我都做到了。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

"But the problem on the relief well is not simply drilling all the way down, it is also connecting it up, and that is a delicate operation that could take some time."

VOA: standard.2010.07.16

Are they shutting down this operation because they want to make that game themselves someday?

FORBES: Activision Takes Action Against World of Starcraft Mod Creators

Leach shut down the operation in 1996.

FORBES: The Opportunist

Bruce Clark believes Ullman could do worse than look to a competitor for guidance on scaling down its retail operation.

FORBES: How To Save J.C. Penney: Shut Hundreds Of Stores, Say Business Professors