担忧物价和经济前景，更多美国人走进二手商店

Group 1 - A recent survey indicates that many Americans are opting to shop at second-hand stores during this Christmas season due to rising prices and concerns about the economic outlook [1][3] - Foot traffic in second-hand stores has increased by at least 10% year-on-year in the second half of the year, with a nearly 11% increase during the week leading up to Christmas [1] - In contrast, department store foot traffic has decreased by 13.2% during the same period [1] Group 2 - The survey conducted by Placer.ai tracked consumer activity based on mobile phone usage, revealing a shift in consumer attitudes towards second-hand gifts [3] - Traditional clothing stores experienced a year-on-year foot traffic decline of over 3% in November, while second-hand clothing stores saw a significant increase of 12.7% [3] - A separate survey by the AP-NORC Center for Public Affairs Research found that 87% of respondents noticed higher grocery prices, with two-thirds reporting increased utility and holiday gift expenses [3]