牛或骡力比马力气大－好！

你有没有注意到，牛也许比马力气。但单位时间内一匹骏马一般比一头满牛做的功多？

据个例子，牛车可以装很多货物但往往行使很慢。马车载重一般不大，但是跑的飞快。类比F150和Mustang，你看是不是有些相似的地方？

所有跟帖： 

• This makes you a very good K teacher -funnycars- ♂ (61 bytes) () 02/27/2008 postreply 12:20:10

• Sorry, I was wrong! -funnycars- ♂ (0 bytes) () 02/27/2008 postreply 13:34:50

• hahaha -ifidonlike- ♂ (0 bytes) () 02/27/2008 postreply 14:26:49

• I tried but failed. TX gov. doesn't issue me a K.teacher license -fixanycars- ♀ (0 bytes) () 02/27/2008 postreply 14:54:03

• 那些科学家受英皇室赌博跑马的影响,没有赛牛,赛骡赌博的. -fixanycars- ♀ (0 bytes) () 02/27/2008 postreply 13:02:16

• 英皇室赌斗鸡，斗狗，咋没用鸡力，狗力？ -ifidonlike- ♂ (0 bytes) () 02/27/2008 postreply 14:24:56