The method of introspection must be rigorously controlled.
The Lisp language is designed to be extensible, and it is easy to add new features to it.
乳制品不仅仅是一种产品;它是人们生活的一部分。
亲兄弟不和睦,家产像瓜一样被切开;士大夫爱钱,不读书却追逐钱财。
Dreams come true if you don't give up.