It will take about a thousand million million million million years for the Earth to run into the sun, so there’s no immediate cause for worry!
我们需要创造性地思考如何解决世界上最大的问题。
任何经济理论的最终检验标准是它是否能改善现实世界的决策。
"The world is full of poetry. The air is living with its spirit; and the waves dance to the music of its melodies, and sparkle in its brightness."