中文：

平亏是什么意思？

在投资和交易领域中，“平亏”是一个常见的术语。它指的是在某个时间段内，投资或交易的总盈亏为零，即没有赚也没有亏。

平亏的意思是指投资或交易的收益和损失相抵消，最终结果是收支平衡的状态。在这种状态下，投资者或交易者的资本并没有增长或减少。平亏可能由多种因素导致，如买卖交易量相等、投资组合的资产配置合理等。

在股票市场中，投资者可能会进行买入和卖出操作，但这些操作可能会相互抵消，导致最终的盈亏为零。例如，如果一位投资者在某只股票上买入和卖出的数量相等，那么他的盈亏将是零。

对于一些投资者来说，平亏可能是他们的目标之一。例如，他们可能希望通过买卖操作来降低持仓成本或调整投资组合的配置。在这种情况下，平亏可以帮助他们达到这些目标。

然而，平亏并不意味着投资或交易的成功。在长期的投资或交易中，平亏可能只是暂时的状态。投资者或交易者需要制定合理的投资策略和风险管理措施，以实现长期的盈利目标。

总之，“平亏”是指在某个时间段内投资或交易的总盈亏为零的状态。虽然平亏并不意味着投资或交易的成功，但它可以帮助投资者或交易者达到某些特定的目标。

英文：

What does "flat loss" mean?

In the field of investment and trading, "flat loss" is a common term. It refers to the situation where the total profit and loss of an investment or trade is zero, meaning there is neither gain nor loss.

Flat loss means that the gains and losses of an investment or trade cancel each other out, resulting in a balanced state of income and expenditure. In this state, the capital of the investor or trader has neither grown nor decreased. Flat loss can be caused by various factors such as equal buy and sell volumes, or a well-balanced asset allocation in the investment portfolio.

In the stock market, investors may engage in buying and selling operations, but these operations may cancel each other out, leading to a final profit and loss of zero. For example, if an investor purchases and sells the same quantity of shares in a stock, his profit and loss will be zero.

For some investors, flat loss may be one of their goals. For example, they may hope to reduce their holding costs or adjust the allocation of their investment portfolios through buying and selling operations. In these cases, flat loss can help them achieve these goals.

However, flat loss does not mean success in investment or trading. In the long-term of investment or trading, flat loss may only be a temporary state. Investors or traders need to develop reasonable investment strategies and risk management measures to achieve long-term profitability goals.

In summary, "flat loss" refers to the state where the total profit and loss of an investment or trade is zero during a certain period of time. Although flat loss does not mean success in investment or trading, it can help investors or traders achieve certain specific goals.