Many people, not just experts, can look at a painting and argue over what they see, but few individuals, inside or outside the art world, can evaluate fingerprints.
2
你开始以局外人和局内人来看待这两个社会。
You begin to see the societies as both an outsider and an insider.
3
证券监管另一个重要的划分是,局内人和局外人。
Another important distinction in securities regulation is the distinction between insider and outsider.