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。
The challenge of modern cryptography is not just to protect information, but to do so in a way that is both efficient and scalable.
Everything changes except the law of change.
基因组是时光机。
As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.
译文：读过的旧书要反复地阅读，读透读深才能知道书中的道理。赏析：经典的好书必须要反复阅读，常读常新，读懂书中的内容就会受益匪浅。