假設原本有$10, 用$8買雞, 剩$2
3 P/ D$ Z' \/ e3 K0 PTVBNOW 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。之後$9賣出, $2+$9 = $11
0 W. h6 k6 ~( n% L; Z/ M; b0 j& x再用$10買雞, $11-$10 = $1
. y/ Y( g" w8 M, E4 h+ x$ v又再以$11賣出, $1+$11 = $12os.tvboxnow.com L7 F7 Y- B3 K' x
$12-$10 = 賺$2 |