你为某件事付出的努力越多,实现时的成就感就越大。
高分子物质的性质不仅取决于其构建单元的性质,还取决于这些单元在空间中的排列方式。
Small acts of kindness can boost your mood more than you might expect.
最好的领导者是那些为他人服务的人。
Life is a series of missed connections and unanswered questions.