国家是理性的行为体，它们寻求最大化相对权力，以确保在竞争性的国际体系中生存。
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
Music has the ability to heal, to inspire, and to bring hope in the darkest times.
有些书最好的部份仅止于封面与书背。
Technology is transforming coal mining from a brute force industry to a precision operation.
Like dear St Francis of Assisi I am wedded to Poverty: but in my case the marriage is not a success.