Originally posted by 無奈 at 2008-5-31 04:26 PM:- n1 D6 v$ U0 t6 R/ M: s 估唔到喎...咁又真係幾好喎..5 ~+ E8 a5 q' ^! T2 e" P 希望d商家唔好一有左個專利之後...就吊高來賣.. + O4 a, h7 z, b' T# w" I {咁樣呢個發明...就會真正有助保護環境.. 2 i4 P8 |7 g7 l) I唔洗下下都砍伐樹木...