买前一定要仔细的看看食品的商标，还有包括添加剂在内的成分表(如果有的话)。
Check around the brand name, and the ingredients list (if there is one) for a mention of additives.
网络搜索自动找到了它的确切的说明，比如说商标，营养成分等信息。
An Internet search automatically finds its exact specifications, such as the brand or nutrition facts.
直到最近几年，美国食品药物安全监督管理局（FDA）仅仅需要在商店出售的食品在商标上注明其营养成分。
Until only recent years, the United States Food and Drug Administration only required nutrition facts labels to accompany food products sold in stores.
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