An interface implementation may be added to any existing third party class.

可以将一个接口的实现，增加到任何已经存在的第三方的类中。

youdao

A third party class must be rewritten to extend only from the abstract class.

第三方的类必须被重写，只能从抽象类继承。

youdao

In addition, a wide variety of third-party class libraries are available on the Internet.

此外，在Internet上还提供了多种第三方类库。

youdao

The party opposes his plan to cut taxes for middle class Americans and use of government spending to increase economic activity.

VOA: special.2009.05.02

To see George W. Bush at the Republican convention call upon his party and class to welcome those different from themselves was exactlywhat Baltzell would have hoped for.

ECONOMIST: Letters

Maybe the problem here is that the Tea Party freshman class in the House simply does not yet understand the legislative process and how things actually get done in Washington.

FORBES: John Boehner's Tea Party Trauma Trumped By Eric Cantor's Lack Of An 'Animated' Education

Most were Democrats because it was the party of the working class and the party that could get you a city or other government job.

FORBES: There Is No Catholic Vote, Just Catholic Sensibilities