对于中国沿海的发电站来说，从印度尼西亚由海路进口煤炭往往比从内地煤矿运购更划算。

FOR power stations on the coast of China, it is often cheaper to import coal by sea from Indonesia than from mines in the interior.

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即使团购也由其局限性。

Even collective buying may have its limits.

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一些仿冒品已经出现了，比如groupon . cn，一个由信息技术服务公司创立的网站，其公司为了追逐团购狂潮，放弃了原来的业务。

A few knockoffs have already emerged, including Groupon.cn, started by an information technology services company that abandoned that business to pursue the group buying craze.

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