When we protect biodiversity, we're protecting nature's blueprint for resilience.
估计问题的性质不同。在这里,我们不关心检验特定的假设,而是关心估计参数的值。
我现在身体上已经无法做任何过去喜欢的事,但我并不怀念它们。
成功的关键是专注于目标,而不是障碍。
For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.
写作就是让自己成为世界灵魂的回声。
Just the discipline of having to put your thoughts in order with somebody else is very useful thing.