约翰内斯堡—教育的改善是一个缓慢、艰苦、长期的过程，不论在哪里都是如此，非洲更加如此。 经济的吃紧然常常让非洲无法持续投资于人力资本。
JOHANNESBURG – Improving education is a slow, arduous, long-term undertaking everywhere, and nowhere more so than in Africa, where tight economic constraints often prevent sustained investment in human capital.