and you only mingle with people of your type.

要不然就只是和自己趣味相投的人混在一起。

美国贫富差距？ - SpeakingMax英语口语达人

Last year's event was attended by 1,000 plus attendees and it will be an opportunity for you to really mingle and to conclude the course with a look at your and other friends' projects.

去年的活动有1000多人参加,借此机会你们可以互相学习,可以看看朋友的项目,以此作为这个课程的结尾。

哈佛公开课 - 计算机科学课程节选