自動詞のsellがある

〖sell (＋副詞)〗 〈物が〉…くらい売れる, 売れ行きが…である, …で売られている (!〖副詞〗は様態･数量･価格の表現)

e.g. The product has sold steadily well for many years

e.g. Her latest book has sold over a million.

e.g. The shirts sellfor 20 dollars each at a bargain price.

e.g. His latest album isn't selling.