我不是一个政治人物，但我是一个人。

Profit should never come at the expense of the ocean's health.

模型检查是验证硬件和软件系统正确性的强大工具。

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.