Mother: I left two pieces of cake in the cupboard this morning, Johnny, and now there is only one piece left.
母亲:约翰尼，我今天早上在橱子里放了两块点心。现在就剩下一块了。
Can you explain that? Johnny: Well, I suppose it was so dark that I didn’t notice the other.
你能解释一下吗? 约翰尼:嗯，我想是因为里面太黑了，我没注意到另外那块。