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Phil Satow said the Internet is the perfect medium to teach the current generation of students about the signs of depression. Realizing they missed those signs has been difficult for Jed's friends to live with, he said.
phil satow 是Jed 基金会的发言人，sign是指自杀的数字在升高。全文主要讨论学生自杀率高，准备通过INTERNENT来解决许多有自杀倾向的学生不敢想心里医生咨询的问题，
那么Realizing they missed those signs has been difficult for Jed's friends to live with, he said.
这句话是什么意思？？？？