写作的行为是一种希望的行为。
The database is the foundation of all applications.
当每个人都试图同时出售时,流动性就消失了。
It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.
出自先秦《荀子·大略》。说得到,也能做得到,这种人就是国家之宝。说明言行一致、身体力行的人才是治国安邦的有益人才。