〈正〉有些国家,官方统计的国内生产总值,其数字常常只表明这些国家实际生产能力的2/3或1/2,这是因为有:提起地下经济,人们很自然地想到了与违法有关的各杯经济、活动,如投机倒把、走私、版毒、逃税漏税等等。某些西方经济学家认 In some countries, the official statistics of GDP often show only two-thirds or one-half of their actual production capacity because of the following reasons: people naturally think of illegalities Related to the economy, activities, such as speculation, smuggling, version of drug, tax evasion and so on. Some Western economists recognize