that 用来指代上文的 the circulation,完整的是
the circulation of weekly magazines exceeded the circulation of newspapers in that period.
为了避免重复,the circulation 用that 来代替.
that 用来指代上文的 the circulation,完整的是
the circulation of weekly magazines exceeded the circulation of newspapers in that period.
为了避免重复,the circulation 用that 来代替.