We try hard to search for a direction in this grey city, bearing empty travel bags and frantically running towards hope.

在这灰色的城市，我们努力在寻找方向，背起依旧空空的行囊奔向希望。

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In the city the clean white snow had turned to grey slush.

在城市里，洁白的雪已化为灰色的雪泥。

《牛津词典》

It's like a Mediterranean city plonked down in the north: white and grey buildings, designed for the play of shadows, with tiny apartments that Parisians need to escape.

就像是一座地中海城市被轰隆一声扔到了北方：建筑物是白色和灰色，如此设计仿佛是为了让影子嬉戏，里面的公寓房间窄仄，使巴黎人想要从中逃离。

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Perched up high on the hill of Montmartre in the 18th arrondissement, it has a panoramic view of Paris, encompassing the grey roofs of the city skyline as well as the Tour Montparnasse, Les Invalides and the Eiffel Tower, lined up perfectly from left to right along the horizon.

BBC: Parisian bars with a view

He based the business, QuickTax, in the city of Commerce, a grey, industrial suburb of Los Angeles.

NPR: From Eggs To Film: A Japanese-American Studio Head

The pollution swathes the city, wreathing everything in grey.

BBC: 'Airmageddon': China smog raises modernisation doubts