最終更新日：2022/12/23
Two general classes of goods and services then emerge — the essentials and the deferrables. The immediate wants present no problem. They must be had and are purchased accordingly.
編集履歴（0）
Two general classes of goods and services then emerge — the essentials and the deferrables. The immediate wants present no problem. They must be had and are purchased accordingly.
DiQt（ディクト）
無料
★★★★★★★★★★
