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validity
mastery UK /vəˈlɪd.ᵻ.ti/ US [vəˈlɪɾ.ɪ~ə.ti]noun
card 1 of 10 · fill in the blank
The new safety system has _____ validity because it looks similar to what airlines already use.
card 1 of 10 · fill in the blank
The new safety system has _____ validity because it looks similar to what airlines already use.