"A book is a treasure that never loses its value."
介導(dǎo)疼痛的分子非常古老，揭示了這種感覺在進(jìn)化中的深遠(yuǎn)根源。
The soul is the living bridge between the spirit and the body.
寫文章必須追溯六經(jīng)的源頭，并參考諸子百家和史書的寫法。