全面调查以及最终裁定一般要耗费数月以致一年左右的时间，关税数额可能根据裁定结果有所变动。

A full investigation and a final ruling, at which point the amount of the duty could well change, typically takes several months to a year or so.

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受海外供给不足和国内相关关税变动影响，今年前八个月食用油进口出现下跌。

Imports of edible oil slowed in China in the first eight months of the year, affected by the shrinking foreign supply and the related duty policy change.

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