Many，much都意为"许多"， many + 可数名词，much + 不可数名词。
How many people are there at the meeting?
How much time has we left?
Many of the workers were at the meeting.
Much of the time was spent on learning.
（实习编辑：刘佰万）
From:https://www.zgghmh.com/CET-4/20000285.asp