Where is the grey zone between usability and creativity?

那可用性和创造性之间的灰色地带在哪里呢？

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Largely because of the legal grey zone in which they thrive, pachinko parlour operators are not listed on the stock exchange. The producers of the machines, however, are tipped to perform strongly.

博彩业的兴盛主要是因为他们处于法律灰色地带，弹球游戏的经营者尚未上市，然而，这个游戏机器的制造商却表现势头强劲。

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The most suitable place for life or future human colonists would be in the 'grey' zone - the band between darkness and light that circles the planet.

最适合生命存在或未来人类殖民的区域是行星上的那些“灰色”地带——即位于极昼和极夜之间那些环绕行星的区域。

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The distorted DIY legal framework that treated suspected terrorists as neither criminals nor prisoners-of-war, leaving them in an unprotected grey zone between civil and military law, would, many liberals hoped, be put right.

ECONOMIST: Spies, torture and terrorism

Grassroots anti-corruption campaigners like Li Xinde and his colleagues still operate in a legal grey zone.

BBC: How serious is China on corruption?