I don't know what's tighter, our jeans or our harmonies.
动力学的方程在用变分法的语言表达时是完全的。
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!
The real challenge in mining is not just extracting resources, but doing it sustainably while creating value for all stakeholders.
你的时钟无法走动是因为我。
在人类社会的初期，每个人都是自私自利的。
"The best way to predict the future is to create it."