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It is found that many beginners of design patterns have some characteristics, that is, after learning a certain design pattern, they seem to understand it, but they do not know how to use these so-called elite experiences and suffer from not knowing how to start. When I first learned design patterns, I had similar experiences. I shared my experiences, hoping to be helpful to beginners.经过这次打击，小鱼儿终于长大了。It is very important to solve the problem of waste packaging and promote green express delivery. On the one hand, at the source, it is necessary to formulate industry standards and packaging material standards to promote more environmentally friendly packaging materials; On the other hand, it is also necessary to strengthen recycling at terminals. For a single individual, the discarded express packages may be dozens of woven bags and packing boxes, but when the whole society comes together, the number of discarded woven bags and packing boxes can reach an astonishing billions in a year. If every individual covets convenience and labor, discarding it and throwing it away at random, it will not only cause waste of resources, but also bring pressure to subsequent garbage disposal and even cause environmental pollution. It seems that the society pays the bill, but in the end it is everyone living in this society. Green life requires us to practice it together.The construction of intelligent factories is undoubtedly an important way for manufacturing enterprises to transform and upgrade. At the same time, the blueprint for the construction of intelligent factories should be reasonably planned around the medium and long-term development strategy of enterprises and according to the characteristics of their own products, processes, equipment and orders. On the basis of promoting standardization and standardization, starting with the most urgent problems to be solved, we will practically promote the construction of intelligent factories.Common Commitment: Strategic planning is the result of joint discussions. Relevant responsible persons have reached a consensus and made corresponding commitments.陈佩斯系列喜剧短剧山阴城里。