程序开始变得十分漂亮了—至少在表查看器中是这样。
It is starting to look quite colorful - at least in the table viewer.
这对于时间表应用程序也许不是十分关键的，但在其他情况下，这将花费很大的资源。
This might not be very critical for our timesheet application, but in other scenarios this could be very expensive in terms of resources.
模型在我的应用程序中十分简单，数据库中只有一个用于产品的表，而一个产品有我前面提到的四个属性。
The model is quite simple at this point of my application; there is only one table in the database for products and a product has the four properties I mentioned earlier.
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