假設原本有$10, 用$8買雞, 剩$2
7 Q O+ B! B2 s* {公仔箱論壇之後$9賣出, $2+$9 = $11
2 v ]* A" u1 v. l& {' f8 q4 {0 e9 j公仔箱論壇再用$10買雞, $11-$10 = $1公仔箱論壇4 ~; C$ @2 c" K" S* i
又再以$11賣出, $1+$11 = $12
, z, X L$ Z" \' [' rTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。$12-$10 = 賺$2 |