写一篇好的英语欢迎辞，通常需要遵循以下结构和要点：

开场白

用热情的问候语开始，例如 "Good morning/afternoon/evening, ladies and gentlemen" 或 "Distinguished leaders, distinguished guests, comrades and friends"。

表达欢迎

明确表达你对来宾的欢迎，例如 "I am honored to welcome all of you to" 或 "We are delighted to have you here"。

感谢与荣幸

表示感谢和荣幸，例如 "Thank you all for coming" 或 "I am honored to have this opportunity to welcome you"。

简短介绍

简要介绍自己或所代表的组织，例如 "On behalf of the organizing committee, I am pleased to extend our warmest welcome"。

活动或场合说明

说明来宾此行的目的或活动内容，例如 "Welcome to our annual conference on sustainable development"。

结束语

以友好的结束语收尾，例如 "Please feel free to enjoy the rest of your time here" 或 "Let's make this a memorable event"。

附加信息

如果有必要，可以添加一些额外的信息，例如活动的日程安排、住宿安排等。

"Good afternoon, ladies and gentlemen. It's my pleasure to have you all here today. On behalf of the [Organization/Company Name], I am honored to extend our warmest welcome. We are thrilled to have you join us for this [event/conference/meeting]. Your presence adds significant value to our gathering, and we are grateful for your support and attention. Today, we will be discussing [topic of discussion]. We hope you find this event enlightening and enjoyable. Please feel free to network and make new acquaintances. Thank you once again for being here, and we look forward to a productive and memorable afternoon."

记得根据具体场合和来宾调整欢迎辞的内容，使其更加贴切和个性化。