大陆漂移的第一个概念早在1910年就出现在我脑海中,当时我正在看世界地图。
I'm not a big fan of the word 'celebrity'. I think it's a very strange concept.
The future of energy is not about choosing between coal and renewables, but about finding the right balance.
假设有效性的唯一相关检验是预测与经验的比较。