促销价格下的销售增长越大，损失也就越大。

The bigger the increase in sales at promotion prices, the bigger the loss.

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一定要了解钻石品质与促销价格真正关系。

Must realize a diamond quality and promote cost real relation.

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新航同时会在新航网站及媒体上推出以上促销价格。

For this promotion, fares on SQ website will also be offered.

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