It strikes me as a negative, destructive emotion, usually possessed by small-minded individuals who see economics as a zero-sum equation.
在我看来，妒忌是一种消极有害的情绪，常见于那些心胸狭隘、视经济活动为一种零和博弈的人。
Total savings by everyone is equal to the sum of productive assets and government debt, and if there is an imbalance in this equation it does not mean we have too little or too many productive assets.
全民的储蓄总额就等于生产性资产加国债总和，如果这个等式两部分之间出现了不平衡，并不是意味着我们有太多或是太少的生产性资产。
The sum formulas of several kinds of ordinary series with function term are deduced by using the method of solving linear differential equation.
本文试应用求解一阶线性微分方程的方法导出几类常见的函数项级数的求和公式。
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