"The journalist uses many social networks to work."
Translation:Nhà báo dùng nhiều mạng xã hội để làm việc.
"Nhà báo sự ' -- what the heck is THIS?
Why does DL think that throwing extra random 'gotchas' at you when you're just trying to remember and practice what is in the vocabulary of a module is helpful at ALL? The problem is you'll only get this 'gotcha' every blue moon or so, so you won't actually remember it; it's just there seemingly to frustrate and discourage people.