What is the most important thing for you to be happy?
你认为对你来说开心最重要的是什么?
Mr. Green is a member of the faculty.
格林先生是大学教员。
I suggest that we ask users of this machine what they think about it. We can photograph them using it too. Then we can put their comments at the top of the advertisement in big print. We can bring in some humour too. People enjoy reading humorous ads.