As shoot often happens near forbidden zone, and forbidden zone lines in a long-view shot can be detected to find forbidden zone, which can help shoot event detection.

射门事件通常是在禁区附近发生的，本文通过检测禁区线实现对禁区的检测，从而辅助射门事件的检测。

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Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.

防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。

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Yet in fact the lines demarcating forbidden insider information from ordinary corporate data shared between companies and investors or analysts are blurred, empowering prosecutors to define the outer-reaches after-the-fact, on a case-by-case basis.

FORBES: The Insider Trading Bread and Circus