I know myself how tough it is being a teenage parent and now she has to go through the same thing.

‘我自己知道成为一个青少年家长是多么的困难，现在她不得不有这样的经历’。

youdao

Now I could go through again and do exactly the same thing for Player II, but I'm not going to do that because everything's symmetric.

如果我照此计算同理可得参与人II的,我就不算了,因为都是对称的

耶鲁公开课 - 博弈论课程节选