PeterCBWang

If the 29th  days will be 50% of the bottle, 30th day will be full (50% x 2 = 100%).) i& r& l% v  D  J: L2 j' m4 o
Answer is 29 days!
8 C5 ~6 g7 c- ZTVBNOW 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。plz answer