Question

这几个英语短语的区别

a great deal ,a good many of ,a great amount of ,a good much of .这四个词在含义和用法上有什么区别呢．
谢谢．

Answer 1

a lot of (U\C)
lots of (U\C)
a large quantity of (C)
plenty of (U〕
a good many of （U〕
a number of （C〕
a variety of （C〕
varieties of （C〕
a great deal of （U〕
many a\an\another(后接单数可数，表示许多〕
注：U表示不可数，C表示可数。