A person needs to walk how many roads to become a real person.
能源的未来在于平衡经济增长与环境管理。
The synergy between theoretical computer science and applied mathematics has led to breakthroughs that were once thought impossible.
最好的投资是那些正在建设未来的人。
犯罪不是由贫困引起的，而是由人们合法和非法收入之间的差距引起的。
The hard problem of consciousness is the problem of explaining how and why physical processes in the brain give rise to subjective experience.