1.Twenty per cent of divorces are due to unfaithfulness.
due to由于;因为
Some students quit school due to poverty.
一些学生因贫困而退学 。
2.Gateley advised couples to discuss who does what before walking down the aisle.
walk down the aisle结婚
He was in no hurry to walk down the aisle.
他并不急于结婚 。
3.Conversely, a study in Norway suggests that couples who share household chores are more likely to split up.
split up断绝关系
Did the two of you split up in the woods?
你们俩是在树林里分开的吗?