Well enough, I guess, of that; although if you want to understand the optimism of that time just dip into Leaves of Grass, read Whitman's Old Pioneers.

我猜这足以驱使他写出这样的作品,但如果你想了解那个时代的乐观主义,只需去翻阅《草叶集》,读读惠特曼的《啊,拓荒者》吧

耶鲁公开课 - 美国内战与重建课程节选

I would guess that probably 30% to 50% of you do this everyday, you put a piece of plastic, a synthetic piece of plastic into your eye to improve your vision.

我猜你们有百分之三十到百分之五十的人,每天会做这样的事,将一小片塑料,合成塑料放到眼睛里,来提高自己的视力

耶鲁公开课 - 生物医学工程探索课程节选

OK, how do we code that up?

我猜可能是这样的吧？

麻省理工公开课 - 计算机科学及编程导论课程节选

And again, we could spend a lot of class time saying, well riboflavin does this for the body and that for the body, but my guess is most of you wouldn't find that so interesting and for those of you who would, the information on it is available elsewhere as I said.

我们可以花很多课堂时间来说,核黄素对机体有这样那样的功用,不过我猜你会感到很无趣的,而对此感兴趣的同学,我说过你也可以从其他途径获得这些信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选