To justify the cost of model creation and maintenance, you need to ensure that your model is highly useful.
为了让模型创建和维护方面的成本物有所值,需要确保模型非常有用。
You learned the advantages of addressing the creation of a data instance (the model) first and addressing the creation of user interface controls (the view) only upon completing that task.
您看到了首先解决数据实例(模型)创建,然后作为补充在此基础上解决用户界面控件(视图)创建问题的好处。
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