Speed, right. So another decision you face is do you just try and kick this ball as hard as you can or do you try and place it?

球速是正解,你还需要考虑,当你主罚点球时你是大力抽射,还是小力轻擦

耶鲁公开课 - 博弈论课程节选

it's not all just hard work, you can have fun as well

不光全是用功，你也可以好好玩，

做交换生来到这里 - SpeakingMax英语口语达人

You can talk about working hard on your joint problem sets, but as long as you go home and you don't work hard, it doesn't help.

你大谈特谈你在多么努力地做家庭作业,但是回家后如果你依旧偷懒,这还是无济于事

耶鲁公开课 - 博弈论课程节选