vacuuming money

JENNITA

New Member
Mexican Spanish
hi, i really don't get what does it mean "vacuuming money" in this sentence:
"Real estate prices were pushed up in the U.S., in Europe, Japan and elsewhere to create new debt to feed the machine, vacuuming money out of households, businesses and governments, sucking the real economy dry. Eventually, as had to happen, the casino got so big that there wasn't enough money to keep it going."
 
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