And there's a lot of social psychology research as to the conditions in which you have to bring them together.

很多社会心理学研究,研究他们发生接触的环境。

耶鲁公开课 - 心理学导论课程节选

You had--They had--They worked together for a common goal, the military supported bringing these people together, and they were brought together on an equal and fair footing.

他们为了一个共同目标而合作，军队是这些人发生接触的社会支持，他们的接触是处于一个平等公平的地位。

耶鲁公开课 - 心理学导论课程节选