/kwɒntɪˈteɪtɪv rɪˈstrɪkʃənz/ – Phrase
Definition: Hạn chế số lượng.
A more thorough explanation: a limit on the number of something (eg on the number of a particular product that may be imported)
Example: The US placed quantitative restrictions on shrimp products that was found to be inconsistent with WTO regulations.