Postgres使用Unaccent自动生成表列，使用触发器吗?

I am making a Postgres table that stores book information. I have a "title" column for which data is manually entered but I would like to create an autogenerated column "title_no_diacritics" that uses the Unaccent extension to strip diacritics from the titles. Is this best done with a trigger? I am making a Postgres table that stores book i