2017考研英语长难句分析每日一句(819) Thus poor countries might not be able to escapetheir poverty traps without political changes thatmay be possible only with broader formal education.
【分析】复合句。此句运用了双重否定句,主干是 Thuspoor countries might not be able to escape theirpoverty traps...。介词短语 without political changes...作条件状语,其中 that 引导的定语从句,修饰 changes。