Africa, for example, has come a long way in defining and refining its peace and security architecture since the end of the cold war, and has been playing a fundamental role in promoting peace and security.
例如，自冷战结束以来，非洲在界定和改进其和平与安全架构方面走了很长一段路，并一直在促进和平与安全方面发挥着基本作用。