And this is pretty self explanatory.

这是不言自明的。

After that, you write a couple of explanatory sentences.

之后，你写几个解释性的句子。

It's all right. There is an explanatory note, Minister.

没事，还有解释说明，大臣。

Okay up, next is the explanatory section of the paragraph.

好的，继续，接下来是该段的解释部分。

Following that, I have just one explanatory sentence.

接下来，我只有一个解释性的句子。

A couple of explanatory sentences and then another example from your life, a different example.

几个解释性句子，然后是你生活中的另一个例子，一个不同的例子。

That's one of the reasons why you need the explanatory part.

这就是为什么你需要写解释性的句子的原因之一。

You continue with some explanatory sentences that give more information.

然后继续通过一些解释性的句子来给出更多信息。

This is a pretty self explanatory expression.

这是一个非常自我解释的表达。

So, I've cut the explanatory part all the way down to one sentence and that's totally fine.

所以，我已经把解释的部分全部缩减到一个句子，这完全没问题。