The tobacco industry must evolve, not just for compliance, but for long-term relevance.
关于地精和精灵的观念与黑暗和光明没有任何关系。
The secret of happiness,you see,is not found in seeking more,but in developing the capacity to enjoy less.
大陆就像漂浮在密度更大的岩石海洋上的冰山。
现代密码学的挑战不仅在于保护信息,而且在于以一种既高效又可扩展的方式来实现。