At this juncture, I would like to make an important announcement.
此時(shí)此刻我要宣布一項(xiàng)重要的事情。
And finally, I would like to thank you all for coming here today.
最后，我感謝大家今天的光臨。
I would like to express my gratitude to everyone for their hard work.
我要對(duì)所有辛勤勞動(dòng)的人表示感謝。
Lastly, I would like to thank my parents for all their support.
最后，我想感謝父母對(duì)我的全力支持。
On a more personal level, I would like to thank Jean for all the help she has given me.
從較為個(gè)人的角度我愿感謝瓊給予我的一切幫助。