The rule for fighting on difficult terrain is that one chariot is equivalent to forty infantrymen, and forty infantrymen are equivalent to one chariot.是什么意思_The rule for fighting on difficult terrain is that one chariot is equivalent to forty infantrymen, and forty infantrymen are equivalent to one chariot.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句