用referred to
是因为the problem是“被”提及.
referred to作的是the problem的定语,可以理解为:The problem (which was)just referred to is to be discussed at the next meeting.定语从句中which be结构往往是可以省略的.
除去定语部分相当于:The problem is to be discussed at the next meeting.
用referred to
是因为the problem是“被”提及.
referred to作的是the problem的定语,可以理解为:The problem (which was)just referred to is to be discussed at the next meeting.定语从句中which be结构往往是可以省略的.
除去定语部分相当于:The problem is to be discussed at the next meeting.