可持续发展不再是可选项；它是任何希望在未来蓬勃发展的企业的必需品。
Sustainability is no longer an option; it's a necessity for any business that wants to thrive in the future.
"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."
聪明是一种天赋，善良是一种选择。
Our scientific power has outrun our spiritual power.We have guided missiles and misguided men.