我非常感谢您为此所做出的努力。

I appreciate your effort very much. Thank you for your hard work.

youdao

感谢您为推销我们的产品所作的努力。

Thanks for all the work you've done to promote the sale of our products.

youdao

感谢您为使我们在……的停留期间的愉快所作的许多努力。

Thank you for contributing so much to the pleasure of our stay in .。。

youdao