Life is a dream for the wise, a game for the fool, a comedy for the rich, a tragedy for the poor.
译文:挥动衣袖,风卷起红尘,白昼变得昏暗;汗水如雨,道路泥泞难行。
"Children's literature is the foundation for a lifetime of reading."
相关系数的可能误差不是可以从第一原理推导出来的东西,而是必须通过经验找到的。