balance of trade
1.N-COUNT 可数名词（一国的）贸易差额 A country's balance of trade is the difference in value, over a period of time, between the goods it imports and the goods it exports.
【搭配模式】：usu sing
【FIELD标签】：BUSINESS 商
The deficit in Britain's balance of trade in March rose to more than 2100 million pounds.
英国3月份的贸易逆差已经增长到21亿英镑以上。
