A company has a profit and loss statement and there's something that is called net income, which is the measure of how much the company is making the profits after expenses of the company, called the bottom line.

例如,每家公司都有损益表,还有净利润,净利润指公司收益总额,扣除经济成本,也称为盈亏结算线

耶鲁公开课 - 金融市场课程节选

There's also a more specific, a more local, reason for which our John Milton was susceptible to this profit-and-loss rhetoric of Calvinist puritan theology.

还有一个更具体，更局部的原因,弥尔顿易受,卡尔文新教神学的盈亏理论的影响。

耶鲁公开课 - 弥尔顿课程节选