一个空杯子,从上面看,它的紫色和黄色表面呈对角,两边都有“开”和“关”的字样,一个人在杯子里装满美国咖啡,然后把它转过来,杯子的耳朵就在一边。
An empty mug viewed from above on a diagonally divided purple and yellow surface with the words ON and OFF on each side, as a person fills the mug with American coffee, and turns it around so that the ear of the mug is now ON side.