デジタルチケットへの引き換えには、インターネット環境とメールアドレスが必要です。 The explanations are centered on the best way to seem sensible on the grammar not from English but from a Japanese viewpoint. ただ…しさえすればよい only have ［will need］ to do； have to have only do； all one needs to do is （to） do； have only to try and do !! https://barryz222atl4.aboutyoublog.com/profile