The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
解释:大部分药材都以新鲜为好,但艾草却以陈年的为佳,体现了药材使用的特殊性。
The true poet is one who can capture the essence of a moment in a single word, and who can express the inexpressible in a single line.
Memory is not a fixed entity but a reconstructive process influenced by context and experience.