it's very important for parents to be there for their children
为什么翻译成“对孩子们来说,他们的父母在那儿是非常重要的”而不是“对父母来说,为了孩子们在那儿是非常重要的”?这里的两个for应怎样理解?
再麻烦填个空：汤姆昨天晚上看球赛到凌晨两点才睡觉,
Tom______go to bed because______the football match______2:00am.How crazy!
since that和from then有何区别？