This is not a class in ancient philosophy.

这不是在古代哲学课课堂上

youdao

An array is a data structure, not a class.

数组是一种数据结构，而不是类。

youdao

The rich are not a class yet because there is still very high mobility both up and down.

富人不是一个阶层，因为还存在频率很高的上下迁移。

youdao

He says the class action failed because it did not target a single action or policy by Wal-Mart.

VOA: special.2011.06.24

This is not a class in ancient philosophy.

这不是在古代哲学课课堂上

耶鲁公开课 - 死亡课程节选

So you know, that's not a class that MIT is... subject MIT is typically known for, but we have everything, so...

你知道，麻省理工学院没有什么特别出名的课程，但是我们的课程涵盖一切领域。所以……

求学热十足的学校 - SpeakingMax英语口语达人

Unfortunately, financial education is not a mandatory class in most high schools or colleges.

FORBES: What is Your Money IQ?

Corporate Governance is not a standard class in most B-schools, showing up as an elective if at all.

FORBES: A New Civics for a Capitalist World

The main component of the current fiscal cliff squabbling, the income border beyond which the tax rate will increase, is clearly not a middle class issue.

FORBES: How Will The Middle Class Fare In The Battle Over The Fiscal Cliff?