对于大多数发展中国家而言，与富国经济之间的“水平差距”相对上世纪70年代其实有增无减，此消彼长之下，所谓的发展空间看上去倒变得更大了。
For most developing countries, this “convergence gap” is wider now than it has been at any time since the 1970’s. So the growth potential is correspondingly larger.