Economics is not a straightforward discipline like Newtonian mechanics or Euclidean geometry.
Economics is not a straightforward discipline like Newtonian mechanics or Euclidean geometry.
经济学不像牛顿力学或者欧几里德几何，它不是门直观的学科。
Economics is not a straightforward discipline like Newtonian mechanics or Euclidean geometry.
经济学不像牛顿力学或者欧几里德几何，它不是门直观的学科。