美国开学季文具服装全涨价，美国市场大量文具用品产自中国

Group 1 - The core viewpoint is that the back-to-school season in the U.S. is experiencing widespread price increases across various categories due to U.S. government tariff policies and other factors [1] - The average price of a typical back-to-school supply kit has risen by 7.3% this season [1] - Online prices for clothing, shoes, bags, and accessories in the U.S. surged by 9% year-on-year in July [1] Group 2 - A significant portion of school supplies sold in the U.S. is sourced from China, which is now subject to a 30% tariff on ordinary goods entering the U.S. [1]