In a field by the river my love and I did stand,And on my leaning shoulder she laid her snow-white hand.She bid me take life easy, as the grass grows on the weirs;But I was young and foolish, and now am full of tears.

Certification standards are meaningless without rigorous enforcement and transparency.

MRI的发展彻底改变了医学成像领域，使我们能够以以前无法想象的方式看到人体内部。

电影的力量在于它能够触动人心，而不仅仅是视觉上的享受。

Every book is a journey, and every journey is a book.