Ethan Ramirez——Works at the International Labour Organization, Lives in Geneva, Switzerland.
In your expressions, stuff is a noun and is uncountable. I would say it is "this stuff". The only time I can think of stuff being plural is when it is a verb--as in he stuffs the turkey with --.Aug 18, 2010read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.