竞争动态和市场趋势跨越多种价格类型，尤其是在中国和欧洲市场。
The competitive dynamics and market trends across multiple price categories, particularly in China and Europe.
建立了商品销售中的凸需求函数，凸分布和多种价格并存的优化模型。
Convex function of demand, convex distribution of price and an optimal model for coexistence of multi-prices are established.
私人骨灰堂的收费可能高达二十万港币（25704美元），但根据存放地点和空间大小不同，有多种价格和优惠可供选择。
This can cost as much as HK$200, 000 (US$25, 704) in a private columbarium, but all manner of different deals are on offer depending on the location and the size of the niche.
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