中文：

贸易逆差是指一个国家在一定时期内进口商品的总值超过出口商品的总值。这意味着该国在与其他国家进行贸易时，向其他国家支付了更多的资金，而不是从其他国家获得了更多的商品或服务。

贸易逆差是一个国家经济状况的重要指标之一，通常会对国家的政治和经济产生一定的影响。如果一个国家的贸易逆差持续扩大，这可能会导致该国的货币贬值，从而引发通货膨胀和失业率上升等问题。此外，贸易逆差还可能导致与其他国家的贸易摩擦和争端，因为其他国家可能会认为该国没有按照国际贸易规则进行公平的贸易。

贸易逆差的原因有很多，包括国内生产成本的上升、国际市场竞争的加剧、汇率波动等。为了解决贸易逆差问题，政府可以采取一系列措施，例如提高出口商品的竞争力、促进国内消费和投资、加强与其他国家的经济合作等。

英文：

Trade deficit refers to the situation where the total value of imported goods in a country exceeds the total value of exported goods during a certain period of time. This means that the country has paid more money to other countries in trade instead of receiving more goods or services from other countries.

The trade deficit is an important indicator of a country's economic condition, which usually has a certain impact on the country's politics and economy. If the trade deficit of a country continues to expand, this may cause the depreciation of the country's currency, thus triggering problems such as inflation and unemployment. In addition, the trade deficit may also lead to trade friction and disputes with other countries, because other countries may think that the country is not trading fairly according to international trade rules.

There are many reasons for the trade deficit, including the rise of domestic production costs, the intensification of international market competition, and exchange rate fluctuations. To solve the problem of trade deficit, the government can take a series of measures, such as improving the competitiveness of export goods, promoting domestic consumption and investment, strengthening economic cooperation with other countries, etc.