我很後悔在40歲時沒學會這50個瓶蓋回收的點子-它們本可以改變一切！

[@Chatter-x7k]

Video is helpful. But should have been made in two parts of 15 mnts. each.

[@林宏生-m5t]

認識

[@劉錦寰]

業界可 22:26 直接套用生產，方便消費者使用，但請付智慧商費。