填空题

Retailers and marketing firms have found that ______ with people in the virtual world.

【参考答案】

they can do business

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填空题

Second Life’s basic membership is free, but ______ makes money by charging a monthly fee to purchase virtual land and build a house or other structure on it.

填空题

Following ______ , the 1980s band Duran Duran is going to hold a live concert later this month on Second Life on its own virtual island.