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 how to make sense of the grammar not from English but from the Japanese viewpoint. ただ…しさえすればよい only have [have to have] to accomplish; need only do; all one particular must do is (to) do; have only to do So I guess I will be https://chesteru344fyo5.nico-wiki.com/user