Enter the decorator pattern, which allows you to add this functionality onto the AutomobileModel in a nice, clean class.

进入装饰器模式，该模式允许您通过一个优秀整洁的类将此功能添加到AutomobileModel。

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Responsible for cleaning of production CC area. Ensure the clean class which should be complied with GMP requirements.

负责生产区域的清洁工作。确保洁净程度符合GMP标准。

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OSGi provides among other things the component model, a deployment mechanism for modules and a clean class loading system.

OSGi提供了组件模型，一个模块部署系统，以及一个clean class加载系统。

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The Greens deserve some success, in part because of the way they have transformed themselves from hecklers standing on the sidelines of mainstream politics into a machine for representing Germany's clean-shaven middle class.

ECONOMIST: Power may change the Greens. That would be a good thing

The inside, even in first class, was clean but not much more inspiring.

WSJ: Riding the Trans-Mongolian Railway through Russia, China and Mongolia

The State Railway of Thailand operates several trains a day to the border crossing at Nong Khai, including overnight trains equipped with clean and comfortable first-class sleepers.

CNN: ASIANOW - TIME Asia | Travel Watch | Do-It-Yourself Luxury on Thailand's Railways