底部：计划和跨期的仿生鲨鱼皮节(里布·莱特电影3m公司制造)为减少飞机的阻力。

Bottom: Plan view and cross section of a bionic shark skin (riblet film made by 3m) for reducing resistance on aircraft.

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这将提高未来预期的商品价格，且(因为跨期套利交易)将提高当前的商品价格。

This would raise future expected commodity prices, and (because of inter-temporal arbitrage) current commodity prices.

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如何跨期考虑顾客价值与企业价值之间的比例关系，是企业应该而且必须做出的战略权衡。

The corporation must make trade-offs about the proportion of customer value and corporation value in the course of business.

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