原句：for instance,we are all too familiar with the real-life rags-to-riches stories about how sound parenting by nurturing
问题描述：
原句：for instance,we are all too familiar with the real-life rags-to-riches stories about how sound parenting by nurturing and sensible mothers paved the way for the glorious future success of their offspring.
how sound parenting by nurturing and sensible mothers paved
这里by的用法 how +adj +n +by+真正的主语+从句谓语
by是提供的意思吗?
答
你所说的“how +adj +n +by+真正的主语+从句谓语”不能说明问题的实质,应该作如下分析——连接副词（状语）：how 如何,怎样——用于引导介词 about 的宾语从句主语：sound parenting 健全的抚育/后置定语 by nurturi...