我足够了。我一直都足够了。我将永远足够了。
The beauty of mathematics lies in its simplicity and depth.
可持续性不是一种选择;它是能源未来的必要条件。
作为一个女人,我没有国家;作为一个女人,我的国家是整个世界。
Words are, in my not-so-humble opinion, our most inexhaustible source of magic.
The fight against infectious diseases is a global effort that transcends borders.