In summary…/To conclude…/In conclusion…

总之/概括起来/综上所述······

The conclusions we can draw from this are…

由此，我们可以得出以下结论：······

What we have been talking about…

我们之前一直在讲的问题就是······

Okay, we have discussed…

好了，我们已经讨论过······

So far (up until now), I have been trying to show you…

到刚刚为止，我想给你们说明的是······

The important points to remember are…

需要掌握的重要知识点包括······