translation.en: At the University of Helsinki, I had a friend who was one of the open source -- it was called mainly "free software" back then -- and he actually introduced me to the notion that, hey, you can use these open-source licenses that had been around.
translation.zh: 在赫尔辛基大学， 我有个朋友是做开源软件的—— 当年还叫“免费软件”—— 他让我了解到，“嘿， 你可以用那些已有的开源许可证。”