I just want to make people happy.
控制的挑战在于在存在不确定性的情况下使系统工作。
大分子的概念并不容易被接受;它需要化学家对物质结构的思考方式发生彻底的改变。
Responsible forestry is not a choice, it's an obligation for all of us.《Forests of Tomorrow》