"Welcome to my TH-cam Channel [番茄炒牛肉]! This channel is dedicated to describe my channel’s purpose, such as 'different food Style videos on science,' 'providing tutorials on digital art,' or 'offering insights into tech reviews and trends'.My mission is to [, like 'inspire and educate' or 'keep you informed and entertained and any new basic ideas to share you all for life'].

My aim to create a respectful and engaging community. Please review the terms and conditions below to understand my content guidelines, community expectations, and general policies. By interacting with my channel,I agree to abide by these terms. Enjoy the content, and feel free to join the conversation in the comments!"
Thank You
(番茄炒牛肉)

This type of introduction provides a welcoming tone and sets the context before diving into the more formal terms and conditions. It also helps viewers get a quick sense of what my channel is about.