This is especially so for the oil-exporting countries and the LDCs, as these economies are characterized by a narrow range of economic activities - mainly hydrocarbons, agriculture and tourism.
对石油出口国和最不发达国家来说尤其需要这样做，因为这些经济体的经济活动范围狭窄，主要是碳氢化合物、农业和旅游业。