81. She felt surprised / amazed / shocked. 或 Surprised / Amazed / Shocked.
82. It means bringing economics, political science and sociology together.
或 Bringing economics, political science and sociology together.
83. Because she was a woman who was prejudiced then.
或 Because women were looked down upon / on in her times.
或 Because of the barriers common to most women then.
84. Because she put forward a theory on how people come together to preserve their collective resources.
略