Breakdown of deetayouryou, roominguryoukin, opushonsaabisu o kakuninsuru.
Questions & Answers about deetayouryou, roominguryoukin, opushonsaabisu o kakuninsuru.
を marks the direct object of the verb.
Here, the verb is 確認する meaning to check / confirm, so を shows what is being checked.
In this sentence, the things being checked are:
- データ容量
- ローミング料金
- オプションサービス
