And I do it not just because it's fun -- though actually, it is really fun -- but also because our research has shown over and over again that entertainment and play have a huge impact on people's lives -- for instance, on their political beliefs and on their health.
我研究这个不仅仅是为了好玩儿 -- 尽管这的确有很多乐趣 -- 而是因为 我们的研究不断地证明 娱乐和游戏 会对人们的生活有巨大的影响 -- 例如，在人们的政治信仰上 和人们健康问题上。