When I write songs, I often lose track of time.
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
It is often said that before you die your life passes before your eyes. It is in fact true. It's called living.
Yesterday I was a dog..today I'm a dog...Tomorrow I'll probably Still be a dog...There's so little hope for advancement!
The poet is a witness, not a judge.
The friendship of a gentleman is light as water; the friendship of a small person is sweet as honey.