城記 #179 遊河活動相五幅

原帖由 fp8329 於 2007-7-8 23:23 發表


人數x收費=/=收入 (世界有「應收帳」及
「壞帳」這兩回事)

聽聞下午有個遊河，蝕了三位數字。

very interesting
i thought everyone has to pay before they can ride that bus
maybe i am too naive, i thought bad debt cant exist if everything is done by cash