How are you doing?是"你好吗?"或者"最近好吗?"的意思. 等于:how are you? 一般回答: I'm fine = I'm doing great 我很好.. 如果试用了东西不想买可以说: Thanks for your service !but I am sorry that I think it is a little expensive! 谢谢您的服务,但是很抱歉,我觉得它有点昂贵. 或者款式和颜色不喜欢的话可以说: but the style (color) is not so perfect !