第三个方面是美国人的时间观念。

A third area involves the American's concept of time.

youdao

我听说在美国，人们的时间观念很想，吃到被认为是失礼的表现。

I heard that in the United States, people tend to be very time-conscious. Being late would be considered poor etiquette.

youdao

But railroads revolutionized an American sense of time, their ability to travel.

但是铁路改变了美国人的时间观念,他们有能力去旅行

耶鲁公开课 - 美国内战与重建课程节选