在学生们不知情的情况下，研究人员调查了他们在该学期餐卡的匿名消费情况——近500名学生的近1.4万张消费小票。

Unknown to the students, the researchers studied their anonymized meal-card purchases for that semester—nearly 14,000 receipts for almost 500 students.

youdao

研究人员调查了一节课对吃肉行为的影响。

The researchers investigated one class session's impact on eating meat.

youdao

研究人员调查了四种严重的身体疾病是如何影响婚姻的。

The researchers examined how the onset of four serious physical illnesses affected marriages.

youdao

And secondly, it turns out their definition of unwelcome sexual advance was broad enough to include someone being asked out on the date by someone they don't want to go out with.

第二个问题是,受调查人员对性挑逗的定义,十分宽泛,有些人被邀请外出约会,往往是被一些他们不想一起出去的人邀请。

麻省理工公开课 - 媒体、教育、市场课程节选