农业效率绝不能以牺牲环境管理为代价。
Efficiency in farming should never come at the cost of environmental stewardship.
建筑师不是艺术家。我们有服务公众的社会责任。
Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.
"I am not a woman, I am a word."
当你长期研究难题时，你开始看到别人只看到困惑的地方的联系。
学习数学的唯一方法就是做数学。