材料 Materials
+ 黐立立橡根 Sticky Rubber Band +草稿紙 Draft Paper
聽說縮小垃圾筒口可以有效減少垃圾,那麼縮小垃圾筒是不是更有效呢?
I heard that narrowing down the hole size of a trash bin can effectively reduce garbage. So, would it be more effective if I narrow the size of the trash bin?