曾记得,若干年前,市民出门提着菜篮子买菜。在计划经济时代,菜篮子甚至能替代购买者排队。然而,随着科学技术的发展,超薄塑料袋的成本越来越低,以至于它被普遍使用。市民之所以养成使用免费塑料袋的消费习惯,一方面是因为它的确为消费者提供了方便,另一方面, I remember, a few years ago, members of the public went out shopping basket to buy food. In the era of planned economy, food baskets can even line up buyers instead. However, with the development of science and technology, the cost of ultra-thin plastic bags is getting lower and lower, so that it is widely used. The reason why the public to develop the use of free plastic bags of consumer habits, on the one hand because it does provide consumers with convenience, on the other hand,