The phrase "unlimited quantities" is grammatically correct and can be used in written English.
It means an infinite or boundless amount of something. Example: The company offers unlimited quantities of their popular product at a discounted price.
One-bedrooms in pet-friendly buildings with roof decks did not come in unlimited quantities.
Heat pumps allow the conversion of ambient heat, available in almost unlimited quantities, to heating energy.
Mario Draghi, the ECB president, has announced that the ECB will buy unlimited quantities of government debt from troubled countries.
Bild did turn on Mr. Draghi after his promise to buy potentially unlimited quantities of sovereign bonds.
Feast at Porcao, a restaurant that serves magnificent meat in unlimited quantities for the equivalent of £30.
Last year, the E.C.B. promised to buy unlimited quantities of peripheral governments' bonds to preserve the euro.
Whereas politicians must raise money from taxpayers, the ECB can in theory print unlimited quantities of the stuff.
By creating money in unlimited quantities, the ECB may be able to ensure that the nexus of insolvent banks and governments remains intact.
The ECB will buy unlimited quantities of securities whose maturities are three years or less, but sterilise (or offset) the bond purchases with sales elsewhere.
Jordan said the central bank was prepared to buy unlimited quantities of foreign currency – and take further measures if required – to enforce the minimum exchange rate.
Meanwhile, Bank of England governor Mark Carney has been sweet-talking the City, making it clear that the banks could have access to unlimited quantities of cheap cash.
