3句英文任你选

On behalf of our company, I would like to say how delighted we are to receive you here.
我代表我们公司对在这里接待你们表示十分的荣幸。
 
Ladies and gentlemen, I'd like to take this opportunity to say a few words.
女士们、先生们，我想借此机会说几句话。

Thank you very much for preparing such a sumptuous banquet for us today.
非常感谢你们为我们准备了如此丰盛的宴会。

半个句型要记牢

on behalf of (代表……)

Tip: behalf是名词，表示"代表，利益。on behalf of sb.表示"代表某人相当于on one's behalf。另外还有in behalf of，表示"为了……;为了……利益不过口语中很少用。