it's worth every penny of it ---------第2个IT指价格

it's worth every penny of it ---------第2个IT指价格 It's worth every penny of it 【It's worth every penny of it!】中第二个it指的是什么? lt's worth every penny of it. 新概念一中有句话：It's worth every penny of it. 帮忙分析下句子结构!it's worth every penny of it.这是什么结构?worth在这里是什么词? It`sworth every penny of it I think the tuition is worth every penny of it中文意思! it's worth it It’s worth my because of pain,so worth it.because of pain,s it's only whether the price of that is worth