The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.
仓库里空虚了日子就会难,子孙愚笨了怎么知晓礼义呢?
解释:每种药材都有其独特的功效,而方剂则是将多种药材巧妙配伍以发挥更大效用。