在一个真正属于孩子的地方，孩子会尽力去注意自己的举止，控制自己的行为。
The beauty of algorithms lies in their ability to solve problems that seem insurmountable at first glance.
Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.
The beauty of a mathematical proof lies in its simplicity and inevitability.
The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.
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.