COLLOCATIONS FROM OTHER ENTRIES
a 20 mph/30 mph etc zone (= where vehicles’ speed is limited to 20 mph, 30 mph etc )
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He was doing 42 mph in a 30 mph zone.
a 20 mph/30 mph etc zone (= where vehicles’ speed is limited to 20 mph, 30 mph etc )
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He was doing 42 mph in a 30 mph zone.