世界上发生的任何事情，其意义无非是某些极大或极小值。

The power of the legislative being derived from the people by a positive voluntary grant and institution, can be no other than what that positive grant conveyed, which being only to make laws, and not to make legislators, the legislative can have no power to transfer their authority of making laws to any other hands.

The core of Pinduoduo is "group buying," allowing users to participate in shopping through social means.

如果没有正确应用的智慧，最先进的技术也毫无用处。