The term 'Neither Gain Nor Lose' can be summarized as the concept of breakeven, which is a situation in which there is no net gain or loss. Breakeven is a financial term that is used to describe a situation in which total costs and total revenues are equal, meaning that the company has neither made a profit nor incurred a loss. This is an important concept for businesses, as it helps them to determine when they will start to make a profit.