/ˈkwɒlɪfaɪɪŋ ˈpɪəriəd/ – Phrase
Definition: Thời gian đủ điều kiện.
A more thorough explanation: the time that must first pass before a person is able to claim a particular thing
Example: The qualifying period is the period in which a claimant must accumulate sufficient hours of insurable employment in order to establish a claim for benefits.