Then, the next challenge was to figure out how to keep the dots on the streets because they were going all over the place.

接下来的挑战是,想办法让这些点固定在,街上，因为,它们总是不停地移动。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

For me, that's all I really need. I like to walk around the streets with a camera and just find interesting images, you know.

对我来说，这都是很好的取景。我喜欢走在街上，随时抓拍有意思的事物。

问摄影家 - SpeakingMax英语口语达人

Some of the most important fascinating studies in the field of psychology where a person off the street was told by an experimenter to shock another person, even to the point where the other person is screaming to stop.

两者都是心理学领域,最精彩的研究，在街上随便找个人,在实验者的指示去电击另一个人，甚至电击到另一个人尖叫恳求停止。

哈佛公开课 - 幸福课课程节选