Virtue does not come from money, but from virtue comes money and all other good things to man, both to the individual and to the state.
我们根据世界对生存的效用性来感知它。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
石油和天然气公司的角色正在演变,我们必须随之改变。
What a caterpillar calls the end of the worldwe call a butterfly.
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。