This situation has its deep historical reasons.
这种状况有着深刻的历史原因。
That a large number of DE facto marriage widely exist not only has deep historical reasons, there are unavoidable practical reasons.
事实婚姻的大量存在，不仅有深刻的历史原因，也有不可避免的现实原因。
Of these phenomena have deep social and historical reasons.
这些现象的产生有着深刻的社会历史理由。
应用推荐