送交者: 匆匆过客 于 2005-9-01, 16:05:54:
回答: I am not satisfied with his answer 由 HunHunSheng 于 2005-9-01, 15:31:17:
even though a horse can carry more than one person, it will be slowed down by the extra weight it carries. And in battle fields speed and respond time are crucial.