12月31日,成都市汪家拐街小学的同学们以一种特殊的方式“节约大超市变废为宝”旧物交换活动,迎接新年的到来。每个班就是一个交换超市,同学们将图书、玩具、文具、CD等各种自己不用的物品带到学校进行实物交换。 On December 31st, students from Wangjiaguai Street Primary School in Chengdu, in a special way, “saving big supermarkets turning waste into wealth” exchange activities of old things to welcome the arrival of the new year. Each class is an exchange supermarket, students will books, toys, stationery, CD and other items they do not bring to the school for physical exchange.