[ぶんつう] /(n,vs) correspondence/exchange of letters/(P)/EntL1505550X/
 ぶんつう ・ス Schriftverkehr; Briefwechsel. ⇒  (いんしん) HE
 [ぶんつう] /(n) correspondance/échange de lettres/1505550
Visszatérés a(z) „文通” laphoz.