重要的不是拥有你想要的,而是珍惜你已拥有的。
You have to fight to reach your dream. You have to sacrifice and work hard for it.
你的态度决定你的高度。
优化是在给定约束条件下做出最佳决策的艺术。
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.
We only live once, Snoopy.""Wrong. We only die once. We live every day.