求翻译：他从伦敦J.W.布里耐尔先生的商店为博物馆买入大量绘画作品.布里耐尔先生一年两次为其所有的老主顾们记上一份作品目录.这样,这些老主顾们便能够选择一下他们想看看哪些作品,然后决定是否购买.是什么意思？

Him from London, the jw Bristol Nile Mr. shops to buy a large number of paintings for the museum. Mr. Bristol Nile, twice a year for its work directory of all the old patrons in mind a way, these old customers will be able to choose what they want to see what works and then decide whether to buy.

正在翻译，请等待...