translation.en: I engage in the use of game theory, game theory is a branch of mathematics and that means, sorry, that even in the study of politics, math has come into the picture.
translation.zh: 我所研究的是博弈论的应用，博弈论是数学的一个分支 也就是说，对不起，数学已经进入了 政治学的研究领域