◆in conclusion
(lastly)最后
In conclusion, I would like to wish you all a happy and prosperous New Year.最后, 我祝大家新年幸福、兴旺发达。
(to sum up)总之
In conclusion, walking is a cheap, safe, enjoyable and readily available form of exercise.总而言之, 走路是一种便宜、安全、愉悦而且随时都能进行的运动。