The leather industry has a rich history, but its future depends on innovation and ethical practices.
量子引力问题不仅是物理学的问题,也是科学哲学的问题。
"I can resist everything except temptation."
最令人兴奋的突破往往来自意想不到的地方。
One who never turned his back but marched breast forward, never doubted clouds would break.
Escribir es un acto de libertad, pero también de responsabilidad.