假設原本有$10, 用$8買雞, 剩$2
7 j! W) W% o% a c之後$9賣出, $2+$9 = $11os.tvboxnow.com/ V1 o) I0 |0 {9 y" @
再用$10買雞, $11-$10 = $1
* }( R' |" D9 E' [: C8 W7 P m9 ]公仔箱論壇又再以$11賣出, $1+$11 = $12TVBNOW 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。9 j, r: K: k8 j8 s( i* J' e
$12-$10 = 賺$2 |