比你的竞争对手更好地控制你的开支。这是你总能找到竞争优势的地方。
Life is a constant struggle between being an individual and being a member of the community.
My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.
材料讲述它们自己的故事,我们只需要倾听。