Democracy is the worst form of government except for all those other forms that have been tried from time to time.

无论遇到什么困难，我都会继续唱下去。

诗歌不是一种奢侈品，而是一种必需品。

The circular economy isn't just an ideal—it's a practical business model waiting to be scaled.

当人类心智在做计算机器的工作时，它很少感到满足，也肯定从未发挥其最高功能。