Ms Wong found a similarly large gap between China's reported travel expenditure and the level predicted by an economic model, based on factors like the gdp of destination countries, their distances from the mainland and China's own economic size.
黄女士发现,中国报告的旅行支出与经济模型预测的水平之间存在类似的巨大差距,经济模型基于目的地国家的国内生产总值、它们与大陆的距离以及中国自身的经济规模等因素。