since her mother had died young,her father took care of his six children alone.
问题描述：
since her mother had died young,her father took care of his six children alone.
以前学的since+过去时,主句用现在完成时,since翻译成自从.那么这个since翻译成什么呢?为什么?
答
因为,由于.没有because正式.