zhàn / guó / shí / qī / gè / guó / zhī / jiān / jīng / cháng / yùn / yòng / hé / zòng / lián / héng / de / cè / lüè

战国时期，各国之间经常运用合纵连横的策略。

During the Warring States period, the various states often used strategies of alliance and opposition.