They based their findings on more than four thousand adolescents who were not depressed when the survey began in nineteen ninety-five.

他们的调查结果基于刚开始研究的1995年的超过4000名没有抑郁症的青少年。

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They based their findings on more than four thousand adolescents who were not depressed when the survey began in nineteen ninety-five.

他们的调查结果基于刚开始研究的1995年的超过4000名没有抑郁症的青少年。

youdao