The onslaught of worrisome news is creating an investor climate similar to a brief panic that erupted on May 6, when the Dow Jones Industrial Average plunged by 1000 points before bouncing back later in the day, according to UBS Financial Services market analyst Art Cashin.

VOA: standard.2010.05.20

unless you didn't know that, weren't aware of the art market yourself, it would be very important

除非你不知道，自己没意识到艺术市场，重要的是

关于购买艺术品 - SpeakingMax英语口语达人

unless you didn't know that, weren't aware of the art market yourself, it would be very important

除非你不知道，自己没意识到艺术市场，重要的是

关于购买艺术品 - SpeakingMax英语口语达人