大多数美国大学坚持要求学生在选择专业之前，必须先学习自然科学、社会科学、语言和文学。
Most American universities insist that students sample natural and social sciences, languages and literature before choosing a field of concentration.
图形在自然科学和社会科学中广泛使用。
Graphics are used extensively in natural sciences and social sciences.
这正是我们这些职业科学家每天干的事，如果你试图了解自然界如何行事，你就是自然科学家，如果你试图研究出人类和他们的机构如何做事情，你就是社会科学家。
That's exactly what those of us do who get paid to try to figure out how Nature does things (aka natural scientists) and how humans and their institutions do things (aka social scientists).
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