She said,"Am I losing it?" Emma Cleveland was teaching a class in mathematics at a college.

VOA: special.2009.10.25

But I am telling you this after you already signed up for the class so it is too late to leave.

我在你们选了这门课后才挑明,想退课也晚了。

哈佛公开课 - 幸福课课程节选

And it's like, I am pretty sure I'm in an acting class with like 30 kids next year,

它就像，我很确定我在的那个表演班明年会招大约三十个新生。

和话剧专业的朋友 - SpeakingMax英语口语达人

They may chunter on about DVT affecting people in Business and 1st class, but I am quite sure that the true figures would show that economy class passengers suffering or dying from DVT are infinitely more numerous than others.

BBC: News Online

And within this class I am specifically refering to the sub-category known as hustlers today.

FORBES: Entrepreneurs are the New Labor: Part I

The people who worked for Pan Am delivered best in class because they understood what the brand stood for in the minds of consumers and they had a genuine passion for bringing best in class to life.

FORBES: What Brands Can Learn From Pan Am--The Airline And The Show