variable loss and profit的意思|示意

If the price is between average total cost and average variable cost at the profit-maximizing output, then the firm is said to be in a loss-minimizing condition.

一个公司被认为是一个正常的利润时，其经济利润为零。便会出现这种情况的平均总成本等于价格在利润最大化输出。

Variable margins are collected by the clearing house daily and the calculation is based on the position's profit and loss from the current day's closing price.

头寸的损益情况按当日收盘价计算得出，故变动保证金由清算行或经济商每日收取。