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你应该避免懒惰和不可靠。
经济学家的角色既是科学家,又是工程师。
Every mathematical problem has a solution; it just takes time and effort to find it.
世界是一个无限连接的地方,我们都是这个网络的一部分。
Our potential is one thing. What we do with it is quite another.
In chemicals, our greatest challenge is also our greatest opportunity: meeting global needs while protecting the planet.