So when Christopher Robin goes to the zoo,he goes to where the Polar Bears are.

So when Christopher Robin goes to the zoo,he goes to where the Polar Bears are.
to the zoo是句子中的什么成分,to还有其他哪些用法,最好有例句说明?
so在句中翻译成什么，起什么作用？
Many of us are far more interested in talking than in listening,
or we simply refuse to listen to what we don’t want to hear.
再分析下这个句子的成分，语法结构。