○  英语演讲：opening remarks 开场  ○

is my voice too loud?

reference to the audience 与听众呼应
i can see many of you are from …department.

i know many of you are familiar with this topic.

you all look as though you’ve heard this before.

i understand that you’ve all traveled a long way./ after hours of conference, you must feel a little tired. now i’d like you to see an interesting topic…

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