The change did not portend a basic improvement in social conditions.这一变化并不意味着社会状况的基本改善。The upfront concern now is to improve economic and social conditions for blacks.现在首要的事情是改善黑人的经济和社会状况。The change did not portend a basic improvement in social conditions.该变化没有预示社会状况的根本改观。