Style and health awareness smartly frame eyewear boom
Stores are expected to double to 120,000 by 2021, spawning a 1 trillion yuan market
Li Rongnan, 36, a Shanghai-based corporate legal affairs consultant, bought three pairs of glasses on a weekend this scorching summer.
"One for driving, one for swimming, and one for playing tennis," said Li, adding that various situations in life demand matching eyewear.
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