What point does the author make about non-GMO labels?

作者对非转基因标签的观点是什么？

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Hunt's put a "non-GMO" label on its canned crushed tomatoes a few years ago—despite the fact that at the time there was no such thing as a GMO tomato on the market.

汉斯公司几年前在其碎番茄罐头上贴上了“非转基因”的标签——尽管当时市场上并没有转基因番茄这种东西。

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Whether the labels say 'non-GMO' or 'no sugar', or 'zero carbohydrates', consumers are increasingly demanding more information about what's in their food.

无论标签上写的是“非转基因”还是“无糖”，又或者是“零碳水化合物”，消费者对于了解更多与食品成分相关的信息有了越来越多的需求。

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It is hard to know just how expensive a mandatory GMO-labeling law could prove for California households.

FORBES: Who Will Cover the Costs of California's Prop. 37?

Were these countries to open themselves to the latest seeds--and even if more developed nations remained ideologically GMO-averse, thereby crimping exports--the four would reap productivity gains, dirt-poor Bangladesh most of all.

FORBES: Magazine Article

Many organic brands are also certifying their products as Non-GMO through the Non-GMO project, which does conduct routine testing for contamination, to provide consumers with additional certainty.

FORBES: With California Prop Defeated, GMO Labeling Proponents Look to Farm Bill