But imagine doing crossword puzzles every day for 10 years, 1,000 years, a million years, a billion years, a trillion years.

但想象往后每天做填字游戏，玩上十年，一千年以至永远。

耶鲁公开课 - 死亡课程节选

It sells for about 20 cents a pound, so that represents about one-third of a trillion dollars.

它的价格为20美分每磅，这价值,大约为3000多亿美元。

麻省理工公开课 - 固态化学导论课程节选

It's a trillion-dollar question.

这可关系到几万亿美元。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

The value of real estate in the United States today is -of real estate owned by households directly -is about twenty trillion dollars, which makes it comparable or maybe a little bit bigger than the stock market.

现今美国房地产的价值,也就是居民直接持有的房地产的价值,大概有20万亿美元,这与股票市场总值相当,可能还要更大一点

耶鲁公开课 - 金融市场课程节选