"I really cannot give you an answer in terms of a definitive date by which we are going to be done,"

VOA: standard.2009.09.15

You realize that you cannot answer that.

你们会发现无法回答这个问题

耶鲁公开课 - 基础物理课程节选

You cannot answer that, even if I promised to move only along the x-axis, because I think...I don't want to pose this as a question, because I think the answer is fairly obvious to everybody.

即使我保证只在 x 轴上移动,你们仍然无法回答,因为我觉得...我不想将其作为一个问题,因为我认为答案是显而易见的

耶鲁公开课 - 基础物理课程节选

But there is one thing, Descartes concluded, that he cannot doubt, and the answer is he cannot doubt that he is himself thinking.

但笛卡尔认为,有一点是他无法置疑的,那就是,他无法怀疑自我思考的存在

耶鲁公开课 - 心理学导论课程节选