The gem traders bid on and purchase precious gems from the auction every round, then sell them on the market. However the gem market is always unpredictable. You don t know how would your competitors bid and sell! Can you earn a place in this ever changing market? 洞悉先機，投資圖利 寶石商人每回合競投珍貴的寶石，然後於市場上 賣出。不過寶石市場瞬息萬變，其他玩家的出價 和賣貨數量完成無法預料! 你能在這波譎雲詭的 商場賺得一席之地嗎?

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