其实不然；我们虽然有了这一切安全措施，但我们或许是人类文明史上最不安全的国民。
But no; with all this "security," we are perhaps the most insecure nation in the history of civilized man.
这或许是人类历史上，在地球上很大一部分地区中，年青人的心理上第一次没有不安全感。
For perhaps the first time in human history insecurity disappeared from young people's psyches across a substantial part of the globe.
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。
Elder added that inspections of companion animals-food products are "based on risk", which means that the processing plant in Emporia, Kans.
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