他可能来源于销售预测，偶然销售信息系统，哦其它预测工具计划的生产数量。
It is possible to use information from the sales forecast, or from the sales information System, or other planning tools to plan production quantities.
音乐销售额似乎很令人沮丧，但如果你进入网络音乐行，偶然发现合适的机会，你仍然可以为自己做得很好。
Falling sales in the music industry may seem discouraging, but if you jump into the potential of online business and hit on the right act, you could still do pretty well for yourself.
如果你是一个真正的网络零售商，你应该专注在销售产品上，而不是从顾客那里赚一些偶然点击广告的小钱。
If you are truly an online retailer, your focus should be on selling products, not making a few bucks from customers who accidentally click on those ads and end up somewhere else.
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