One is the language problem. Dutch is a peculiar language that not everyone can master. Second, most of the materials are in the Netherlands, so it takes a lot of time and effort to study them. And third, their thesis is very important to Japanese students in finding employment later on, and papers in this field are not very well received.
日本人研究荷蘭台灣史的困難有三：一是語言的問題，荷蘭語很特殊，並不一定人人能學會；二是資料大部分都在荷蘭，研究起來費時費力；三是日本學生日後要就業的話，論文很重要，研究這一部分並不吃香。