可持续性不再是可选项,而是当今世界生存的必要条件。
Adaptation is the key to understanding both thought and behavior.
The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.
"我写作是为了摧毁自己,但最终总是创造了自己。"
I don't know what I'd do without music.
Have an aim in life,or your energies will all be wasted.