显然,事情源自现实的困扰——我们日常生活的最浅层次,当然也是最重要和最关键的,空气变坏了,雾霾就要来了。这自然就多了一个需求——口罩。童年时最早见到口罩,只是御寒之物。那一年冬天,在乡里中学当语文教师的父亲获准有一个月的进修机会,进修之后可以升任公社高中的语文教师,而负责给他们升级培训的是地区派来的专家。所以父亲非常兴奋和认真,他认真地给自己 Obviously, things originate from the reality of distress - the most superficial level of our daily life, of course, is the most important and most critical, the air becomes bad, the haze is coming. This naturally has one more need - masks. The earliest childhood masks, just warm things. In the winter of that year, the father of a language teacher in a middle school in the village was granted a one-month training opportunity. After training, he was promoted to a language teacher in the commune high school. The expert responsible for upgrading the training was an expert from the region. So my father is very excited and serious, he gave himself seriously