Arata, once and for all, tries to make the dense-as-can-be Kazuomi realize what he has in his hands.
I have no experience with these things,
so I don't know.
.ليس لديّ خبرةٌ بهذه الأشياء، لذا لا أعلم
Ich habe keine Erfahrung
in solchen Dingen.
non ho alcuna esperienza in proposito,
quindi non saprei.
Não tenho experiência
 com essas coisas.
У меня нет подобного опыта,
поэтому не знаю.