alt_products:[{"product_name":"小米手环9 Pro","brand":"小米","model":"Xiaomi Smart Band 9 Pro","price":399},{"product_name":"华为手环10","brand":"华为","model":"Huawei Band 10","price":269},{"product_name":"荣耀手环9","brand":"荣耀","model":"Honor Band 9","price":249}]
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