But look again and see if you can spot the similarities-such as the way people shrug their shoulders, frown when they are thinking, wave good-bye, or laugh at a joke.

• 但当你再看一遍，你就会找到相同之处人们耸肩的方式，思考的时候皱眉头，挥手说再见，或是因一个笑话发笑。