例句1：I cant stand much more of this.
我可承受不了太多如此的事。
我的疑问1：
much 是修饰代词much的比较级more，对吗？much more of这是什么句型？
例句2：
She earns a lot more than I do.
她赚的钱比我多多了。
我的疑问2：这里的a lot 也可以修饰代词much的比较级more？
这里的more是earn的宾语，这里more默认就是钱，对吗？譬如：
John is smoking more now than Mary is doing.
这里more默认就是烟，对吗？
I cant stand much more of this.
She earns a lot more than I do.
无需枯燥的语言解说，仅需看看这两个句子的演变过程，就了解词汇间的修饰关系，所有就了解了：
I cant stand much more of this.
第一步：I cant stand much of this.
第二步：I cant stand more of this.
第三步：I cant stand much more of this.
She earns a lot more than I do.
第一步：She earns much.
第二步：She earns more than I do.
第三步：She earns a lot more than I do.
