未開燈，只會展現外層的圖案；開燈，燈光會把內層圖案也投影到外層

未開燈，只會展現外層的圖案；開燈，燈光會把內層圖案也投影到外層

結果 (英文) 1:

When the light is not turned on, only the outer pattern will be displayed; when the light is turned on, the light will also project the inner pattern onto the outer layer

結果 (英文) 2:

Without a light, only the outer layer is displayed;

結果 (英文) 3:

If the lamp is not turned on, only the outer pattern will be displayed; if the lamp is turned on, the inner pattern will also be projected onto the outer pattern