"Every place has its secrets, if you know how to look."
The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.
Sustainable development requires the joint efforts of the entire industry chain.
海洋的健康与地球的健康直接相关——最终,与人类健康相关。
Do not feel absolutely certain of anything.
现代密码学的挑战不仅是确保通信安全,而且要以既高效又可扩展的方式实现。