alt_products:[{"product_name":"华为手环8","brand":"华为","model":"HUAWEI Band 8","price":269},{"product_name":"小米手环8 Pro","brand":"小米","model":"XMSH08HM","price":399},{"product_name":"OPPO 手环2","brand":"OPPO","model":"OPPO Band 2","price":299}]
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