States are rational actors that seek to maximize their power and security in an anarchic international system.
字符串是一个严格的数据结构,在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。
I try to live my life with integrity and authenticity.
I'm the reason your daughter's so obsessed.
合作共赢是现代农业发展的必由之路,单打独斗没有出路。