科技成果应该给人类、给社会带来甜美。然而,有事实证明,有的科技成果,却颇有“先甜后苦”的味道。比如在包装领域,塑料泡沫快餐盒,应该说是科技发展的产物之一。但它在给人们生活带来便利的同时,也带来了大弊,造成环境的严重污染,有害人的健康,故淘汰这一“成果”是大势所趋。杭州、宁波,以及铁路部门已率先禁用塑料泡沫快餐盒,代之以纸质快餐盒。快餐盒的“以纸代塑”看起来是科技的一大进步,“包 Scientific and technological achievements should give mankind and bring sweetness to society. However, it turns out that some scientific and technological achievements have quite a taste of “first sweet and then bitter”. For example, in the field of packaging, plastic foam snack boxes, should be said that one of the products of technological development. However, while bringing convenience to people’s lives, it also brings great disadvantages, causing serious environmental pollution and harmfulness to people’s health. Therefore, the elimination of this “achievement” is the general trend. Hangzhou, Ningbo, and the railway authorities have taken the lead in banning plastic foam snack boxes, replaced by paper snack boxes. Fast food box “plastic paper” seems to be a big step forward in technology, "package