一、相同点：
1、 两者都可以修饰可数名词或不可数名词。
2、它们的意思都是“大量”
二、类似：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.
每种元素类型的数量对于估计所需的总工作量将是便利的工具。
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,美国政府,和病毒生产企业签了,生产一些病毒的`合同。
3、And the solution to this equation looks like this where it is written in terms of a quantity called a wavefunction.
这个方程的解法是,看起来像是写成数学符号就是,波函数。
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.
当涉及到大量数据的时候，这种类型的移植操作单调冗长而且会花费大量的资金和时间。