森林的真正价值不是用板英尺来衡量的,而是用生物多样性来衡量的。
The true value of a forest is measured not in board feet, but in biodiversity.
检验统计假设的问题是估计的一般问题中不可分割的一部分。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
解释:国家垂危败亡,一定是因为任用了奸邪小人。
If Biden got in, you'd be paying $7, $8, $9.
历史是我们再也听不到的声音的回响。
In computer science, we stand on each other's shoulders.