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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 most important thing is to stay alive.
"Sometimes, you have to be apart from people you love, but that doesn't make you love them any less. Sometimes, it makes you love them more."
The Langlands program is a reflection of the depth and beauty of mathematical thought.