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，大家可以得出以下结论：
What we have been talking about
大家之前一直在讲的问题就是
Okay, we have discussed
好了，大家已经讨论过
So far , 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
需要学会的重点知识包含