a person or company that prepares and prints books, magazines, newspapers or electronic products and makes them available to the public出版人（或机构）；发行人（或机构）
Several publishers are competing in the same market.几家出版公司正在同一市场上竞争。
Extra Examples
He's writing a history of the town for a local publisher.他正在为一家当地出版社写一部关于该镇历史的书。
She now has a publisher for her book.她现在为她的书找到了出版商。
one of the country's biggest book publishers该国最大的图书出版商之一