The only difference between a rat and a human is that a rat learns from experience.
对认知的研究需要经验方法和理论方法的结合。
I think it's important to have a positive attitude and to be optimistic.
我非常相信用清单来解决难题。你需要在你面前得到所有可能和不可能的答案;否则很容易错过一些重要的东西。