国际政治是一个残酷而无情的舞台,各国不断努力最大化自己的权力和安全。
"The world is a prison, and the prison is a dream."
Food security begins with resilient farming practices.
合作是解决当今食品生产重大挑战的关键。
The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.