The gray 'folder' icon named CoreClassesPackage represents the logical (or domain) model for the application.

名为 CoreClassesPackage的灰色“文件夹”图标表示应用程序的逻辑（或者域）模型。

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The gray and black QTECHs, complete with DVD players, bulky CRT monitors and standard-issue black mice and keyboards, are the only model available.

这次发售的唯一一款QTECH电脑以灰黑色调为主，配备了DVD播放机，笨重的CRT显示器，以及黑色的键盘和鼠标。

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But since the same model was selling last week in Beijing for nearly twice the price, Mongkok remains the champion of low-priced gray-market gadgets in Asia.

但由于上周在北京卖的同种型号价格高了一倍，所以旺角仍然是亚洲低价水货电子产品的首选地。

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The shredder that came into my life was a black-and-gray, 9-gallon model: the Royal 14-Sheet Micro-Cut.

WSJ: Paper Shredders: Finding Shredded Bliss

Atop Mr. Marin's ranch-style house sat two cars, an upended gray luxury model beside a red coupe with a smashed window.

WSJ: After Oklahoma Tornadoes, Rescue Efforts Focus on Survivors

The ivory-colored model will be named Latte, the gray one Macaron.

FORBES: Magazine Article