一句话概括文章内容

一句话概括文章内容
One day a few years ago,a very funny thing happened to a neighbor of mine.He is a teacher at one of
London's big medical schools.He had finished his teaching for the summer term and was at the airport on
his way to Russia to give a lecture.
He had put a few clothes and his lecture notes in his shoulder bag,and he had put Rupert,the skeleton
(人体骨架) to be used in his lecture,in a large brown suitcase.At the airport desk,he suddenly thought
that he had forgotten to buy a newspaper.He left his suitcase near the desk and went over to the shop.
When he got back,he discovered that someone had taken his suitcase by mistake.He often wonders