化学是一门研究物质性质及其变化的科学。
Bring out the best in the team by challenging them with tough but achievable goals, encouraging them with sincerity and trust, motivating them with a compelling vision and listening to them with empathy.
I'm not a perfectionist, but I like to feel that things are done well.
The greatest tragedy of modern life is that we have everything we want, but nothing we need.
我袍子下面戴着的不是徽章，而是一颗心。
The city is a school, and its buildings are the teachers.
