quantity
英 [ˈkwɒntəti]   美 [ˈkwɑːntəti]  
n.
量;数量;大量;数额;数目;大批;众多;大宗

例句

a product that is cheap to produce in large quantities 

可以低成本大批生产的产品

The data is limited in terms of both quality and quantity.

这份资料在质量和数量上都很有限。

I was overwhelmed by the sheer quantity of information available.

已有的信息量大得令我不知所措。