large mount of和a large mount of有什么区别

只能修饰可数名词的：a large/ great/ good number of, a good/ great many, dozens of, scores of, quite a few ,large mount of
只能修饰不可数名词的：a great deal of, a large amount of, quite a little,a large sum of
既可修饰可数也可修饰不可数名词的：plenty of, a lot of, lots of, a large quantity of, a good supply of

是amount，不是mount.

> amount n ~ (of sth) (used esp with [U] ns 尤与不可数名词连用)
1 total sum or value 总数; 总额; 总值: a bill for the full amount 全部金额的帐单 * Can you really afford this amount? 你真付得起这个...

large mount of用来修饰不可数名词
a large mount of用来修饰可数名词