The probable error of a correlation coefficient is not a fixed quantity, but depends upon the size of the sample.
相关系数的可能误差不是一个固定的量，而是取决于样本的大小。
When making something， always get a few extras — extra material， extra parts， extra space， extra finishes. The extras serve as backups for mistakes， reduce stress， and fill your inventory for the future. They are the cheapest insurance.
Records are there to be broken.
"Collaboration across disciplines is the key to groundbreaking discoveries."
Technology should serve sustainability, not the other way around.
I never write Metropolis for seven cents because I can get the same price for city. I never write policeman because I can get the same money for cop.
The future of energy is low-carbon, but oil and gas will remain part of the mix for decades to come.