"RxOxx - Serious type是什么人格？ RxOxx - Serious type是MBTI中的ISTJ人格类型，九型中的1w9 - - ，五大类型中的RLOEN，Socionics中类型。"
Serious types are quiet workers who are willing put in large amounts of effort, but only when they are left alone. Socialization is an obstacle for them.
