这两家证券交易所已宣布：到2009年之前，它们将利用单一平台取代三个现金交易系统。
The two stock exchanges have announced that they will replace three cash trading systems with a single platform by 2009.
这两家证券交易所已宣布：到2009年之前，它们将利用单一平台取代三个现金交易系统。
The two stock exchanges have announced that they will replace three cash trading systems with a single platform by 2009.
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