Sometimes the questions go on longer than the talk itself.

VOA: special.2010.05.14

Sometimes I take a little bit longer than I anticipated.

有时候我花的时间比预期的要长些。

耶鲁公开课 - 死亡课程节选

And the questions keep coming - sometimes going on for longer than the presentation itself.

VOA: standard.2010.05.04