a quantity of和a number of的区别as a result of destroying the forest,a large quantity of desert has covered the land为什么不能用a large number of
问题描述：
a quantity of和a number of的区别
as a result of destroying the forest,a large quantity of desert has covered the land为什么不能用a large number of
答
一个修饰可数名词 一个修饰不可数名词