I know, and I must add that we have a very pleasant relationship.

我知道，而且我还要补充一条：我们的关系非常愉快。

youdao

I 'am always at your service. Goodbye. Sir And madam. and do have a very pleasant evening.

乐意为您效劳。再见，先生，太太。希望你们度过一个愉快的夜晚。

youdao

I sincerely wish you a very pleasant stay in Kunming, and hope to have successful cooperation with you.

我真诚地希望你们在昆明过得愉快，祝我们双方合作成功。

youdao