english: And even those people who complain and say that the relative standing of countries on something like PISA is just an artifact of culture, of economic factors, of social issues, of homogeneity of societies, and so on, these people must now concede that education improvement is possible.
non_english: Pa čak i oni ljudi koji se ne slažu  i kažu da je relativni položaj zemalja prema nečemu kao PISA  samo proizvod kulture, ekonomskih faktora,  društvenih problema ili homogenosti društva, oni sada moraju da priznaju  da je moguće unaprediti obrazovanje.