许多专家认为，一些美术馆的高层和艺术家派代表去参加拍卖会，竞拍他们自己的作品，从而维持价格或“保护”一些后起之秀的作品价格。

And many experts here say that some gallery officials and artists are sending representatives to the auctions to bid on their own works to prop up prices, or "protect" the prices of some rising stars.

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