The essence of mathematics lies in its freedom.
感官训练可以培养敏锐的观察者,适应现在的文明时代,更能实际地应用于日常生活中。
The key to fighting poverty is to break it down into smaller, more manageable problems.
The Internet is a global resource that should be managed in the public interest.
一个好故事让你感觉不那么孤单。