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台湾籍旅美老师今天交给我们的句子是：
The evolutionary connection between tooth decay and agriculture is so distinct in fact that anthropologists can actually determine whether a culture started farming in part by studying when they started to get cavities.
蛀牙和饮食在演化上关系是如此特殊，人类学家们在某种程度上只要可以研究出某个文明何时开始有蛀牙毛病，就可以确切地指出他们的农耕生活是从什么时候开始发展。
