But a new study finds that there's another group of adolescents who are in nearly as much danger of experiencing the same psychiatric symptoms: teens who use tons of media, don't get enough sleep and have a sedentary (不愛活動的) lifestyle.
注意在"adolescents"后面的定語從句中,有一個短語"in danger of",當中的"as much"表達“和某物一樣多”的意思,注意冒號后面的部分其實不是句子,它的核心只是一個詞"teens",后面的"who use tons of media"和"don't get enough sleep and have a sedentary lifestyle"都是并列的關系,都是前面的"teens"的定語,只是后面那一部分的兩個美容的關系更近一些,所以用"and"連接。