一、相同點：
1、 兩者都可以修飾可數名詞或不可數名詞。
2、它們的意思都是“大量”
二、類似：a lot of 和lots of
三、例句：
1、The quantities of each element type will be handy tools for estimating the total effort required.
每種元素類型的數量對于估計所需的總工作量將是便利的工具。
2、The government, after this time, did issue contracts to manufacturing companies to produce new quantities of the virus.
在此事件之后,美國政府,和病毒生產企業簽了,生產一些病毒的合同。
3、And the solution to this equation looks like this where it is written in terms of a quantity called a wavefunction.
這個方程的解法是,看起來像是寫成數學符號就是,波函數。
4、This kind of migration is tedious and has a high cost in terms of money and time when there is a quantity of data involved.
當涉及到大量數據的時候，這種類型的移植操作單調冗長而且會花費大量的資金和時間。