假設原本有$10, 用$8買雞, 剩$2公仔箱論壇7 _* E8 d, `9 \, g% s3 `
之後$9賣出, $2+$9 = $11
4 ^7 m% ?4 d: }1 @$ N- L7 _TVBNOW 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。再用$10買雞, $11-$10 = $15 a" y% t5 W# J* l( Z+ `
又再以$11賣出, $1+$11 = $12
1 h- t& f" f8 p7 \$ a0 Y. j" E8 m7 L5 `公仔箱論壇$12-$10 = 賺$2 |