问题在于国际社会的普及教育承诺的信誉的让步；自1950年以来，国际社会至少在12项联合国宣言中做出过实现这一目标的承诺。
The problem is that the international community’s credibility in promising universal education has been compromised; it has pledged to achieve this goal in at least 12 UN-sponsored declarations since 1950.