The power of positive thinking is the ability to generate a feeling of certainty in yourself when nothing in the environment supports you.

石材行业必须拥抱可持续发展才能长久生存。

嗅觉直接连接到大脑的情感中心，这就是为什么气味能唤起如此强烈的记忆。

Sometimes it's very difficult being a dog…

译文：能写文章的人，善于引用名言，虽只寥寥数语，却起到了画龙点睛的作用，使文章读起来更加优美、更加动人。