假設原本有$10, 用$8買雞, 剩$2
6 d" e5 w! Y: j, r) Etvb now,tvbnow,bttvb之後$9賣出, $2+$9 = $11
! v9 J p; o7 Z1 [tvb now,tvbnow,bttvb再用$10買雞, $11-$10 = $1TVBNOW 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。7 j9 c# Z0 {0 O( O% c' s
又再以$11賣出, $1+$11 = $12' d0 J6 A) _1 P2 l1 f9 g+ G) F
$12-$10 = 賺$2 |