很多重写会更加复杂，而另一些则与以前一样简单或者说更简单。

Many overrides are more complicated than this, while others are this easy or easier.

youdao

与以前的文章一样，我们将使用一个简单的“Hello”mdb示例。

As in the earlier article, we will use a simple "Hello" MDB example.

youdao

与以前的文章一样，我们将使用一个简单的“Hello”mdb示例。

As in the earlier article, we will use a simple "Hello" MDB example.

youdao