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According to the system: upper digestive tract diseases, respiratory diseases, etc.We can analyze several field values in the following code to judge:This book was written by two authors, one is a psychologist and the other is a science writer. More than 10 years ago, we began to often discuss the theme of outstanding people and "deliberate practice", and five years ago we began to seriously write books on this theme. During that time, the book slowly took shape in the ideological collision between the two of us, so that it is now difficult for us to distinguish which part of the book was put forward by whom. All we know is that it is much better and completely different for the two of us to write this book together than for us to write it alone.只得后退一步，站在张槐身后，低头努力降低自己的存在感。吕馨早就看过了，而且她看的还不止这些，接下来的几章，她都在吕文心的办公室中看过了。(1) The server on the server side is a thread, and a dead loop is executed in the thread to block and monitor the connection requests and communications of the client side.