And this one, it's a large poster, and you touch it and it has a little speaker behind it, and the poster talks to you when you touch it and asks you a series of questions, and it works out your perfect cake.
这是一个大海报， 你可以触碰它， 它后面有个小喇叭， 当你碰触碰海报时， 海报就可以和你对话， 问你一系列的问题， 并计算出属于你的完美蛋糕。