有人居住的世界的边界是由人类知识的极限决定的。
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.
The energy transition is not just about replacing one energy source with another, it's about transforming the entire energy system.
"A good illustration should tell a story on its own, without the need for words."