人为某样东西实际支付的成本至少是标价的两倍,因为买来后设置、学习、维护、修理,以及最后处置,也需要耗费精力、时间和钱。不是所有的实际成本都在价签上。实际成本是标价的2倍。
每首歌都有自己的生命。
The ocean is the cradle of life and the hope for humanity's future. We must cherish her like our mother.
I'm just trying to find a way to be happy.
I always believe that as long as you persist, you will definitely succeed.