应该不要介词
非要选一个就选about
learn about 获得,学得
It's no use learning facts about a subject if you don't understand it.
只了解某一学科的知识而并不理解,那是毫无用处的.
得知有关…的消息
How did you learn about the meeting?
有关会议的情况你是怎么知道的?
请在客户端右上角评价点“满意”即可,