An unofficial grey market in the shares has been operating for about two weeks.

一个非官方的股票灰市已经运作了大约两个星期。

《柯林斯英汉双解大词典》

A potential employer puts up recruitment posters at an unofficial Labour market.

一个潜在雇主在一个非官方劳动市场张贴招工广告。

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An effective Buyer Agent will conduct a comparative market analysis, which essentially is an unofficial appraisal, and arrive at a value range for the home.

买方代理人进行有效的市场分析比较，基本上是一个非官方的评价，并得出一个值幅度为家。

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Billionaires have been trading multimillion-dollar real estate with tremendous zeal in recent years, slapping down record sums for trophy homes while quietly floating other properties in their portfolios through brokers in unofficial, off-market offerings.

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The rupee plummeted 16% to 63 to the dollar in the unofficial but government-sanctioned curb market on the same day.

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It is one of several unofficial proposals to liberalise the labour market and increase government revenue, contained in a paper seen by the BBC.

BBC: Longer working week suggested for Greece