Mother: I left two pieces of cake in the cupboard this morning, Johnny, and now there is only one piece left. Can you explain that?
媽媽：約翰尼，我今天早上在櫥子里放了兩塊點心?，F(xiàn)在就剩下一塊了。你能解釋一下嗎?

Johnny: Well, I suppose it was so dark that I didn’t notice the other.
約翰尼：嗯，我想是因為里面太黑我沒看到另外那塊。