诗人必须像一棵树，扎根于故土，从中汲取养分才能结出果实。
A poet must be like a tree, rooted in his native soil, drawing nourishment from it to bear fruit.
可持续性已不再是一种选择——它是任何希望在将来蓬勃发展的企业的必要条件。
The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
The strengths approach is about identifying what is right with people and building on those qualities.
所有的悲剧以死亡结束，所有的喜剧以结婚告终。