When a few variables belong together, we put them in a struct. Programmers do this automatically without thinking about it much.
这时候，最慈悲的做法，不是逼着那匹习惯了草原狂奔的烈马去拉磨，而是让它回到草原，然后，换一头牛来耕田。，详情可参考PDF资料
，这一点在体育直播中也有详细论述
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Successful entrepreneurs become successful because they simply refuse to quit on their dreams, no matter how difficult the journey becomes.。电影是该领域的重要参考