trade fair
柯林斯词典
1. N-COUNT A trade fair is an exhibition where manufacturers show their products to other people in industry and try to get business. 商品交易会
Each year, hundreds of sweets manufacturers and distributors come to a Chicago trade fair. 每年，数以百计的糖果制造商和分销商前来参加芝加哥商品交易会。
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