Chinese does not have regula..

送交者: 廣東南蠻 2008月10月05日19:32:11 於 [教育學術] 發送悄悄話

回  答: It's USDA 由 bid2beat 於 2008-10-05 19:27:21

regulatory system. It is a North American systems applied both in Canada and USA.

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