像服装，鞋帽，粮食，棉花，化肥，农药和面食小吃等商品，计划经济年代是不允许进入集市交易的。
O B-Thing I-Thing O B-Thing I-Thing O B-Thing I-Thing O B-Thing I-Thing O B-Thing I-Thing O B-Thing I-Thing O B-Thing I-Thing I-Thing I-Thing O B-Thing I-Thing O O O O O B-Time I-Time O O O O O O B-Location I-Location O O O O