现代密码学的挑战不仅是确保通信安全，而且要以既高效又可扩展的方式实现。
The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.
Innovation in forestry isn't optional—it's essential for survival.
领导力是将愿景转化为现实的能力。