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Be sure to attend all classes and leave enough time to finish your assignments and prepare well for examinations.

务必参加所有的课程，留出足够的时间来完成作业，为考试做好准备。

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Pubs have always welcomed people from all classes and parts of society.

酒吧一向欢迎来自社会各个阶层的人。

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Today, they are a leading business community in the state and are found in all classes.

BBC: Caste and entrepreneurship in India

Total returns and value of stock owned (including all classes) is based on Apr. 2, 2004 stock price.

FORBES: Forbes Executive Pay 2004

All classes will be used within the higher branding of the 'GALAXY' smartphones.

ENGADGET: Samsung debuts new Galaxy lineup, refines naming strategy along the way