艺术与生活之间的界限应该是模糊的。
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。
蒸汽机中运动的产生总是伴随着一个我们应关注的情况,即热量的平衡重建。
农业不仅仅是一门生意;它是一种生活方式。
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact, “I have a rule for X” is the only excuse you need for your own personal policies.