"You know,I never came into these Olympic Games trying to break records or trying to tie any medal count.

VOA: standard.2010.02.23

You cannot say, "I never heard of it. I don't know where it came from."

你就不能再说,"我从没听说过,我不知道它是怎么来的"

耶鲁公开课 - 基础物理课程节选