Comparing P&L Statements It's important to check income statements from different accounting durations. The explanation guiding this is the fact that any changes in revenues, functioning expenditures, study and progress (R&D) expending, and net earnings as time passes tend to be more meaningful than the numbers by themselves. “盈亏修正”主要指的是交易成本，通常在投机交易中占比较小。盈... https://pnl91009.dailyhitblog.com/39636020/the-fact-about-pnl-that-no-one-is-suggesting