The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.
大海是一位严厉的情人,但她会归还她所带走的一切。
市场是一位伟大的老师,但它收取高昂的学费。
The profession of book writing makes horse racing seem like a solid, stable business.