持续增长需要制定相应的发展策略作为支撑，但大多数发展中国家且尚未制定一个类似的策略，因此也无法确保他们能进一步缩短与发达国家之间的经济差距。
Sustained growth requires a growth strategy, and most developing countries do not yet have one that would put them irrevocably on the path of economic convergence.