Kathy, chaos theory seems to be a branch of physics or mathematics.
出自-2013年6月听力原文
Chaos theory was developed by scientists, trying to explain the movement of the planets and the changes in environmental conditions
出自-2013年6月听力原文
In the 1990s, many economists began to look at chaos theory as a way of providing models for forecasting.
出自-2013年6月听力原文