科学
Informal food vendors: The invisible backbone of the world's food system
来源: Phys.org · 发布于

Walk through almost any city or town in a low-income or middle-income country and you'll pass them: the woman selling deep-fried fish from a cart, the mobile vendor with a bicycle full of vegetables,…
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- #income
- #food
- #vegetables
- #invisible
- #informal
- #backbone
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