Some attribute the rise to an overemphasis on early success , others point to mounting peer pressure , and still others to confusion over changing social values .
Some attribute the rise to an overemphasis on early success , others point to mounting peer pressure , and still others to confusion over changing social values .
有的人把上升的原因归结为过分强调少年时期的成功，有的人指出是因为不断增长的同伴之间的压力，还有人认为是对不断变化的社会价值的迷茫造成的。