Or can I throw them out in bunches?"

VOA: special.2010.04.24

But the mathematicians told Dirac, "You cannot ignore the negative energy solution because it tells you there's a second solution and you cannot throw them out."

但数学家们告诉狄拉克,你不能忽略负的能量,因为数学告诉我有两个根,你不能随便丢掉

耶鲁公开课 - 基础物理课程节选

Railroads is a good example--and sometimes I'll throw out examples, you're not responsible for them, it's just kind of hopefully interesting for you to think about.

铁路就是很好的例子,有时我会举一些例子,你们可以不去记他们,我这么做是希望你们可以去思考

耶鲁公开课 - 1871年后的法国课程节选