在写作文时，描述“很久以后”的情况，可以使用以下表达方式：

使用时间状语：

“多年以后”可以直接翻译为“after many years”。

使用从句：

“很久以后”可以用时间状语从句来表示，例如：“In many years, I will...”。

Title: After Many Years

In many years, I will have achieved my long-held dreams and aspirations. I envision myself as a seasoned professional in my field, with a wealth of experience and a deep understanding of the industry. I will have traveled to various parts of the world, experiencing different cultures and ways of life.

During this time, I will have also made significant contributions to my community and society at large. I will have volunteered my time and skills to help those in need, and I will have advocated for causes that I am passionate about.

Despite the passage of time, my core values and beliefs will remain unchanged. I will continue to be a compassionate and empathetic individual, dedicated to making a positive impact on the world around me.

In conclusion, many years from now, I see myself as a successful and fulfilled individual, with a rich and rewarding life journey behind me. I look forward to seeing what the future holds and the opportunities that it will bring.