If you want and need to earn only a little money from a part-time or retirement business, the incomeequation will not factor as heavily as other issues.
如果你想要并且必须从兼职工作或者退休业务中只赚一点点钱，收入将不会比其他问题更重要。
2
The other side of this equation is the large share of national income that flows to capital, in the form of profits.
在等式的另一边是流入资本的国家收入——就利润的形式而言。
3
While the income-earning side of the equation for postdocs is low, keeping the outgoing expenses equally low should be the primary concern at this stage in a career.