I don't believe in guilt, I believe in living on impulse as long as you never intentionally hurt another person.
Sustainability isn't an option; it's a necessity for the future of our planet.
行为由驱力和习惯强度的相互作用决定。
Algebraic geometry is the study of zeros of polynomials.
自然界运行的规律就是,发展到尽头则走向反面,发展到极盛则走向衰落。
I'm not a rapper, I'm a Grammy winner.
林业的未来在于平衡经济需求与生态责任。