We are looking ahead to a prosperous year.

我们预料将会有兴旺的一年。

In retrospect, this has been a prosperous year.

回顾往事，今年是繁荣的一年。

Our company is celebrating the end of a prosperous year.

我们公司正在庆祝这兴旺的一年的结束。

May you be inscribed and sealed for a happy, healthy and prosperous year.

愿您有个幸福、健康和繁荣的一年。

We look forward to continuing our partnership with you for another prosperous year.

希望我们能够继续合作，迎接更为繁荣的来年。