一个从句的语法分析

问题描述:

一个从句的语法分析
the paper for which several persons are risking their lives is an important report.
不是说for which 意为why 可着句话用why带入的话翻译不通啊?

the paper for which several persons are risking their lives is an important report.
注意此句中的for是和rosk搭配的,risk for...