I don't sing because I'm happy; I'm happy because I sing.
"Humor is a way of dealing with the absurdity of life."
Marine conservation is not a constraint on business—it's the foundation of lasting business.
理论计算机科学的重要性在于它能够为实际应用提供基础。
科学没有国界,但科学家有祖国,我们要为国家农业发展贡献力量。