Income System The cash approach, which happens to be also referred to as the hard cash accounting technique, is simply made use of when money goes in and out on the business. It is a quite simple approach that only accounts for dollars received or paid. “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。盈亏修正的计算实际上非常复杂，不同的交易所可能有不同的规则格式来规范交易行为... https://emiliolptvy.imblogs.net/83870982/not-known-factual-statements-about-pnl