下句中的the lack of it 充当什么成分And so I started talking to vets,animal researchers,zoo keepers.Most do not study animal intelligence,but they encounter it,and the lack of it,every day.
下句中的the lack of it 充当什么成分
And so I started talking to vets,animal researchers,zoo keepers.Most do not study animal intelligence,but they encounter it,and the lack of it,every day.
but thet encounter it 是插入语，it 代指animal intelligence
并列，或者结果。可以认为句子中的都好和and没实际意义
翻译：他们中的大多数并不研究动物智能，但是当每一天他们遇见这样的问题时，他们只是回避
补充
它所缺少的东西
我的观点是呢,是这个句子很简单,没有什么稀奇的.看我调整一下单词的位置和句中标点符号,楼主就会明白了.
And so I started talking to vets,animal researchers,zoo keepers.Most do not study animal intelligence,but they encounter it,and the lack of it,every day.等于就是And so I started talking to vets,animal researchers,zoo keepers.Most do not study animal intelligence and the lack of it but they encounter it every day.
翻译：于是我开始和兽医、动物研究员、动物园饲养/看守员交谈（这个事情）.他们大多不研究动物智能和动物是否缺少智能,然而,他们每天却在与之（指动物智能）打交道.