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This noble vision has come true for some. For others, it’s still just a fantasy.

这个崇高的理想对某些人而言, 它还只是一个幻想。

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Given that the "tricorder" of Star Trek lore is still a scientific fantasy, pathogen detection alone will not eliminate the potential for contaminated food reaching the consumer.

假如给出太空漫步的“tricorder”仍然是一个科学幻想，病原体的单独检测将不能消除污染食物接触消费者的可能性。

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As for "Wall Street Survivor" champion Brad Halverson, he does hope to someday buy real stock, but at this point, it's still a fantasy.

NPR: Wall Street Too Real? Try Fantasy Investing

The risks were still high, modern corporate reporting still a fantasy.

FORBES: As ETF Costs Crater, Retirement Investors Win

But it is still a lazy fantasy.

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