跨行业合作是解决世界最大挑战的关键。
人生最重要的事是停止说“我希望”，开始说“我会”。
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 self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.
