If you want to change lectures, please go to Hillary or Lori, and arrange it because as you can see, some people don't have a seat.

如果你们想要改上课的时间的话，请去找Hillary或Lori，来安排,因为你们看到，现在有些人没有座位。

麻省理工公开课 - 固态化学导论课程节选