SOMETIMES the biggest changes in society are the hardest to spot precisely because they are hiding in plain sight.
有时候社会中最大的变化却很难被准确地发现,因为他们隐藏在平淡的外表下。
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Now, while the rest of the group walked up a gully scanning for fossils, Berhane Asfaw and I headed down onto the flat plain to the spot where the skull had been found.