and existence value are both low. (3) The likelihood of web addition tends to impose an impact on existence value, but not on rule or purpose values.如果问卷有专门的翻译,可替代我的。希望对你有帮助。
gender, year of the sleep quality of high school students, there was a significant difference, high-need students to fall asleep by the time the longest sleep efficiency High students minimum; anxiety sleep qu