"不让我开车时睡过去的成本"= avoid exposure for a car accident + a potential increase in insurance + future pain & suffering+ lost income+ endless worries & grief+ so much more.....( e1 k) `6 D! m* M
1 X5 u4 m0 K \1 e"share gas bill 的收获"= couple of bucks 4 J; ^4 q: c! e1 V
So the cost goes far beyond the revenue, not cost-efficient at all !!! :D
Originally posted by 子菲鱼 at 2005-8-5 04:54 PM: # ]5 a& _/ n' }4 L% E9 o8 d"不让我开车时睡过去的成本"= avoid exposure for a car accident + a potential increase in insurance + future pain & suffering+ lost income+ endless worries & grief+ so much more.... ...