1. Ladies and gentlemen, hello! Thank you for participating in our activities, and we will witness it together today. ......
2. Hello, leaders, distinguished guests, audience friends! Today is a special day and we will share it together. ......
3. Hello, dear friends! I am very happy to be with you at this wonderful moment, and we look forward to it together. ......
4. Hello, dear experts and colleagues! We are gathered here today to discuss with each other. ......
5. Hello, dear listeners and friends! Today, we are honored to introduce to you ......
6. Dear judges and contestants, hello! This is a wonderful game, let's look forward to it together. ......
7. Hello, dear parents and children! Today, we will present a wonderful children's program for you. Let's spend this holiday happily together.
8. Dear guests, dear audience friends, hello! Today, we are fortunate to have invited ... to share with us, and let us listen to his/her wisdom and enlightenment.
9. Distinguished guests, distinguished guests, ladies and gentlemen, hello! Today is a very important day, let's celebrate and witness together. ......
10. Dear classmates, teachers, leaders, parents and friends, hello! Today is a meaningful day, let's celebrate together. ......
1 1. Hello, experts and scholars, industry leaders and media friends! Today we will focus on the latest research and application results in this field ... Let's discuss the future trends together.
12. Hello, colleagues in the industry, distinguished guests, audience friends! Today is an extraordinary moment, and we will witness and celebrate this important milestone ..... Let's enjoy this joy together.
On different occasions, the presentation theme and introduction methods may be different, but they usually contain words of thanks and welcome, as well as expectations and blessings for the participants.