zhè / běn / jiào cái / jiè shào / le / guǎ tóu zhèng zhì / de / xíng chéng / tiáo jiàn / jí / qí / duì / shè huì / de / yǐng xiǎng

这本教材介绍了寡头政治的形成条件及其对社会的影响。

This textbook introduces the conditions that give rise to oligarchy and its effects on society.