摘要： 人要超然洒脱， 不是吗。难道为了我们肉体的享受，让我们的心灵受苦受难吗？It seems to me that most people just live their lives without thinking. They are like children. They let their desires lead them through the world, like donkeys wit... 阅读全文

摘要： 最近做数学题，很郁闷。偏导数，全微分都不会做了。咬牙切齿地努力中。。。。 阅读全文