just empirically speaking about the Harvard students, looking the trends and statistics-- empirically speaking, Americans are the most generous people in the world.

或只是说哈佛学生，根据发展趋势和统计，美国人是世界上最慷慨的人。

哈佛公开课 - 幸福课课程节选

He is often said to be the second most powerful man in the country after the president who is the most powerful man not only in the US, but also in the world.

他经常被人们称为,位列总统之后,国家里面最有权力的人,而总统不仅是美国,而且在世界上，都是权力最大的人。

普林斯顿公开课 - 国际座谈会课程节选

to causes of death in the world, to illustrate that what happens in the world around us in the U. S. isn't necessarily the same asin the U.S. isn't necessarily the same as what happens in other places around the world.

而是关于世界上所有人的死因,它说明同美国的情况相比,世界其他地区的情况,有所不同

耶鲁公开课 - 生物医学工程探索课程节选