1.Some researchers said the divorces could be due to financial problems caused by the winter and summer holidays.
due to由于; 因为
This is due to adverse weather conditions.
这是由于不利的天气状况所致 。
2.People tend to face the holidays with rising expectations, despite what disappointments they might have had in years past.
tend to有...的倾向
Prices tended to rise year by year, but at a modest rate.
物价年年上涨,但幅度不大 。
3.Couples generally spend more time in closer proximity to each other during holidays, which may actually exacerbate tensions rather than rekindle romance.
rather than而不是
I would describe her as handsome rather than beautiful.
我认为她是健美而不是貌美 。