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Episode 27The general code is like this, and I feel that the code using the intermediary mode is similar, so I won't introduce it much here. The code in the book has advantages, but I don't feel that there is much difference, so I no longer use the intermediary mode to write code here. State mode is an unusually excellent mode, which may be the best way to solve some requirement scenarios. Although the state mode is not a simple to clear mode (it often brings about an increase in the amount of code), once you understand the essence of the state mode, you will certainly thank it for its incomparable benefits in the future. The key to the state mode is to distinguish the internal state of things. Changes in the internal state of things often bring about changes in the behavior of things. This article describes the state mode in detail属下接信，说青山书院山长清明书生进京了，属下才注意他家的。{当Mark得知来自医学院的Kit很难接近时，他打算挑战Kit医生。但是，在他与医生见面的第一天，他就陷入了对Kit不利的一面。他一直在追求医生，当他有信心要求Kit成为他的男朋友时，同时发生了一些事情，结果Kit没有接受Mark的爱。所有人都感到失望。问题解决之后，Kit和Mark决定调整他们的理解。天启你说，你怎么能叼成这样？一部穿越小说，弄得好像真实历史一般。