The plant produces a (great/large/huge) 'mass of' blossoms every spring. = The plant produces 'masses of' blossoms every spring.
The mayor is trying to encourage more commuters to use 'mass transit' in order to alleviate traffic in the city.
His policies are supported by 'the' (great/broad) 'mass of' the people. [=by most of the people]
(..) No,no,let me do the math for you. This car weighs,let's say pounds. Now add for me for you... - Oh,I'm sorry. Did I insult you? Is your body mass somehow tied into your self-worth? Well,yeah. Interesting. Anyway,that gives us a total weight of,let's say pounds. (..)2007 TvShow: The Big Bang Theory Title: The Luminous Fish Effect Season: 1 Episode 4