量子力学让我们能够做到经典物理学中不可能的事情。
在水果行业,质量不是可选项;它是定义我们声誉的必要条件。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.