求翻译：进口成本增加的原因很多，往往都跟原材料国际价格上涨有很大原因，而且往往进口产品有着高市场期待性和高市场持有性两个特点.是什么意思？

Cost increase in imports of a number of reasons, often with higher international prices of raw materials has a great cause, and often imported products with high market expectations and high market holds two features.

There are many reasons for the increase the costs of imports are raw materials, often international prices, there is a great reason for imported products and often have a high market expectations, and high-market holds two features.

The import cost increases the reason are very many, often all has the very big reason with raw material international rise in price, moreover often imports the product to have the high market to anticipate and the high market has the natural two characteristics.

Cost increase in imports of a number of reasons, often with higher international prices of raw materials has a great cause, and often imported products with high market expectations and high market holds two features.

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