可持续发展不再是可选项，而是任何希望在未来蓬勃发展的企业的必需品。
Sustainability isn't an option anymore—it's a necessity for any business that wants to thrive in the future.
The best way to learn mathematics is to do mathematics.
爱是世界上最强大的力量。
We will laugh at the laughable， and will not be able to refrain from laughing.
翻译：真正的朋友，顺境时不添虚假繁华，逆境时不改变初心，富贵时不忘记旧交，这样的情谊才珍贵。
