Part of Chang'e 4's mission (使命) is to see how a moon base could be built for humans, including exploring (探索) whether humans could grow food and other plant products there.
嫦娥4号的部分使命就是探测怎样为人类建一个月球基地，包括探索人类是否能在上面种植食物和其他植物。
Livestock production makes use of products left behind during the manufacture of human plant foods, like citrus pulp and sugar beet, which could not otherwise contribute to the human food supply.
畜牧业生产是利用在人类植物食物制造的剩余产品，像柑橘渣和甜菜渣，而无法以其他方式促进人类的食物供应。
Elder added that inspections of companion animals-food products are "based on risk", which means that the processing plant in Emporia, Kans.
他说，资源是有限的，并且对人类的伙伴即动物的食品检查是不安全的。
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