Total GDP indicates the overall size of an economy, which is imp

Total GDP indicates the overall size of an economy, which is important in market assessment for durable equipment or bulk goods such as grain, steel, or cement.
【正确答案】：国内生产总值表明了一个经济体的经济总量，对于大米、钢铁、水泥等大宗货物和耐用设备市场评估有重要意义。
【题目解析】：参见教材P18。