We avail ourselves of this opportunity to express our thanks to you for your close cooperation.

我们借此机会对你们的密切合作表示感谢。

youdao

Again, I would like to express our warm thanks to you.

我想再次对你表示感谢。

youdao

On behalf of the Beijing Municipal government, I wish to express our heartfelt thanks to you for your gracious assistance.

对您的大力协助，我谨代表北京市表示衷心的感谢。

youdao

Michelle and I are thrilled to have you here at the White House today as we express the thanks of our entire nation for those who serve.

WHITEHOUSE: Mother's Day Tea at the White House