Not our own food 不是我们自己的食品

Two guys walk into a bar and sit down to eat their lunches. The bartender says, “Sorry, but you can't eat your own food in here.” The two guys look at each other and swap lunches.

两个人走进酒吧，坐下来吃他们自己的午饭。酒吧招待对他们说：“对不起，你们不能在这里吃自己的食品。”这两个人互相看了一眼，交换了他们的午饭。