在我去外交学院之前。我做了大量的调查的翻译：Before I went to the Foreign Service Institute. I have done a lot of investigation 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Before I go to the Foreign Affairs College. I did a lot of investigation

Before I went to the Foreign Service Institute. I have done a lot of investigation

Goes to in front of the diplomatic institute in me.I have made the massive investigations

Before I go to the Diplomatic Academy. I have done a great deal of investigation

Before I went to the Foreign Service Institute. I have done a lot of investigation