So it's really the upfront cost to move to this, in terms of classroom space and developing pedagogy, and buying us top experiments.

因此搬到这种教室,才是最主要的花费，其中包括教室空间设置,开发教学模式，购买高级实验设备等。

麻省理工公开课 - 媒体、教育、市场课程节选

When we do experiments, each group of three has an experimental setup to measure the phenomenon.

当我们做实验的时候，每个三人小组建立实验设备,来测量观察的现象。

麻省理工公开课 - 媒体、教育、市场课程节选

And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.

实验者回到实验室，带着录音设备,随机地,他加速了心跳的录音,然后又慢下来。

耶鲁公开课 - 心理学导论课程节选