我只是试着放松并保持专注,因为我知道自己想要实现什么。
The molecule of DNA is the basis of all life, and understanding it is understanding life itself.
我们最爱的故事会永远活在我们心中。
发展需要消除不自由的主要根源:贫困和暴政,经济机会的匮乏以及系统的社会剥夺,公共设施的忽视以及压制性国家的过度活跃或不宽容。
I don't think about age. I think about people's spirit and energy and if they're positive and if they're fun to be around.
数学不是一项观赏性运动。