It's only a matter of academic interest to me now, as you might say, but I thought it would he interesting to know. 正如你可能会说的，这对我现在只不过是一个学术问题罢了，但我曾认为弄懂这个问题会是很有意思的。
A topic, a subject, or an area of academic interest or specialization. 主题，范围一个题目、课题或学术兴趣或专业领域
