注意力集中 发表于 2025-3-30 10:51:55
http://reply.papertrans.cn/55/5439/543854/543854_51.png小溪 发表于 2025-3-30 15:31:18
Introduction,ay check of meat stores by Government inspectors”) on one day in 1990 “no meat … at 730 stores, or 57 percent” (Clines 1990). Lest we think that this day was an aberration, “in June , 35 stores had no meat. In July, it was 65 stores, and in August, 272 stores, or 21 percent” (Ibid.).