The combination of lower borrowing costs, a better maturity structure of debt portfolios and a strong growth erformance resulted in credit rating upgrades for a large number of emerging markets.

• 例如：借贷成本的降低、债务投资组合期限结构的优化及业绩表现的增强，这些因素结合在一起使得大批新兴市场的信用评级升级。