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There are two meanings here, that is, in the situation that the target customers and products are applicable to a very wide range of objects, as new salesmen, we can start from our own contacts if we want to achieve rapid results. After all, there are various connections. We can first sell the products to them, achieve certain development, and increase some confidence in our next development. Another meaning is to use the relationship of friends to build a relationship with the target customers you have targeted and launch marketing.1 Connotation of JIT ProductionYou will see that there are three photometric modes,他也已经明白。3) The development environment needs to be re-installed, configured, run and tested every time, which consumes resources and even requires full-time personnel to be responsible for integrating and maintaining the environment, which is contrary to devops' idea.韩庆跳出来喝道：哪个在外头？求收藏求推荐。