Dear Lady/Mr. Hello! This questionnaire is an academic survey conducted by students of Nanjing Postal University. The answer is correct, you just have to fill out your real ideas. This questionnaire is an anonymous data collection method, and the data is only used for research purposes. Please be sure to answer. Your opinion is very important to our research. Thank you for your support!
尊敬的女士/先生：

您好! 

此问卷是南京邮电大学学生所做的一项学术调查。答案无对错之分，您只需要填写您的真实想法。

本问卷采取匿名收集数据的方式，且采集数据仅用作研究，请您放心作答。

您的观点对我们的研究非常重要！感谢您的支持!