The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
人工智能是新电力。
我们必须在气候行动的紧迫需求与能源安全和经济增长的同等紧迫需求之间取得平衡。
The great challenge of our time is to create a world order that is both just and sustainable.