Corporation like trading with their ______ (counterpart) in othercountries.
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There were ______ (exchange) of goods between the two regions.
They have offices in the ______ (commerce) heart of the city.
我们相信销售代表会议将准时开始。We believe the sales representativesmeeting will start______.
这座低碳建筑坐落在北京市区。This low-carbon building is _____indowntown Beijing.
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