Excuse me, Madam. I just lost my bag in the supermarket.打扰了，夫人。我刚刚在超市丢了我的包。What's your name please? — John Smith.你叫什么名字？ ——约翰·史密斯。Could you describe your bag, Mr. Smith?你能描述一下你的包吗，史密斯先生？Sure. It's black, not very new.当然。它是黑色的，不是很新。What did you have inside?里面有什么？A wallet with 150 dollars.有150美元。So, is this yours?那么，这是你的吗？Oh, yes! It's mine! Thank you very much!哦，是的！是我的！非常感谢你！