It appears that the ancient people lived in atrocious environment.They watched out for other's attack even smoking.
It appears that the ancient people lived in atrocious environment.They watched out for other's attack even smoking.
看来古人生存的环境是够恶劣,抽烟的时候还的提防点别人算计,提高警惕,千万不要忘记阶级斗争.