黑洞防火墙的概念挑战了我们对量子力学和广义相对论的理解。
技术是核心竞争力,我们要不断引进和研发新技术,提升产品质量和生产效率。
All businesses need to be young forever. If your customer base ages with you, you're Woolworth's.
商业中最危险的一句话是"我们一直都是这样做的"。
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.