生活中最大的幸福是坚信有人爱我们。
文化适应不是一个被动的过程,而是一个主动的过程,涉及技术和社会的创新。
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
Sustainable forestry is not a cost - it's the smartest long-term business strategy we have.
Human suffering and joy are universal, no matter where we come from.
你必须愿意投入时间、努力和精力才能变得伟大。