Anewstudy,aprojectoftheresearchersfromtheUniversityofPi...
问题详情:Anewstudy,aprojectoftheresearchersfromtheUniversityofPittsburghinPennsylvania,findsthefitnesstrackerprobablydoesnothelpwithweightloss. Thedevicesaredesignedtorecordyourphysicalactivity.Th...