1、Therefore, it is not difficult to draw the conclusion that...因此，不难得出以下结论……
例句：Therefore, it is not difficult to draw the conclusion that living in a big city is better.
因此，不难得出居住在大城市更好的结论。
2、In summary/ conclusion/ a word,...，总之……
例句：In summary, we should study hard.
总之，我们要好好学习。
3、As mentioned above,...，综上所述……
例句：As mentioned above, living in the small town is more comfortable.
综上所述，居住在小城镇更加的舒适。
4、Therefore, we have no reason to make a fuss about All in all,...，所以我们没有理由为……大惊小怪。总之，……
例句：Therefore, we have no reason to make a fuss about artificial intelligence. All in all, artificial intelligence will be more and more common in the future.
所以我们没有理由为人工智能大惊小怪。总之，未来人工智能会越来越普遍。
5、From above...，综上所述……
例句：From above, I think living in a big city is better.
综上所述，我认为居住在大城市是更好的。