The companies may team up to create applications through which Alibaba customers can shop online and complete those transactions through their phones, or do product price comparisons, she said.

她说，两家公司可以合作开发应用程序，供阿里巴巴的客户通过手机上网购物并完成交易，或是进行产品价格比较。

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This holiday season, a lot of predictable trends are unfolding: Online retail is growing faster than brick-and-mortar shopping, consumers are increasingly doing in-store, product price comparisons from their smart phones, etc, etc.

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International price comparisons of a differentiated product such as Internet connectivity should be taken with a grain of salt because the quality of Internet service might not be comparable.

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While it makes sense for The Economist to compute a Big Mac Index for a product that is basically the same wherever it is sold, price comparisons of services that are highly differentiated across countries are less revealing.

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