女士们先生们用英文怎么表达？

　　Ladies and gentlemen, on behalf of our government, I'd like to extend a sincere welcome and heartfelt gratitude.

　　女士们、先生们，我谨代表我国政府，向各位表示诚挚的欢迎和衷心的感谢。

　　Good morning, ladies and gentlemen! And welcome to the third in our series of business seminars in the program—Doing Business Abroad.

　　女士们，先生们，早上好！欢迎来到我们海外营商系列研讨会的第三个环节。

　　Finally, ladies and gentlemen, we'd like to wish you a pleasant journey and hope that you'll travel with us again in the near future.

　　最后，女士们，先生们，祝你们旅途愉快，希望你们在不久的将来再次与我们一起旅行。