come to mention it, which reminds me

Yes / It seems that (adjective/adjectival phrase) / That's right

seems like; looks like; I hear that

通信社: a news agency

通約: (mathematics) fractional reduction, reduction of a fraction to its lowest denominator / 通訳: interpreting, interpretation (of the spoken word); an interpreter

通約: (mathematics) to reduce a fraction to its lowest denominator / 通訳: to interpret (the spoken word)

通行人: passerby

共通: community

共通: common, shared

共通: to share, to have in common