数学的本质在于它的自由。
我不是说唱歌手,我是一场运动。
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.
Patience is a virtue in trading; don't rush into decisions.
The voice of the sea is seductive, never ceasing, whispering, clamoring, murmuring, inviting the soul to wander in abysses of solitude.