【外商直接投资】是指外国投资者在我国境内通过设立外商投资企业、合伙企业、与中方投资者共同进行石油资源的合作勘探开发以及设立外国公司分支机构等方式进行投资。外国投资者可以用现金、实物、无形资产、股权等投资，还可以用从外商投资企业获得的利润进行再投资。

【对外劳务合作】指组织劳务人员赴其他国家或地区为国外的企业或机构工作的经营性活动。

【国际旅游收入】指入境游客在中国（大陆）境内旅行、游览过程中用于交通、参观游览、住宿、餐饮、购物、娱乐等全部花费。

【国内旅游收入】指国内游客在国内旅行、游览过程中用于交通、参观游览、住宿、餐饮、购物、娱乐等全部花费。

【Foreign Direct Investment】refers to foreign investment in China through the establishment of foreign invested enterprises, cooperative exploration and development of petroleum resources with domestic investors and the establishment of branch organizations of foreign enterprises. Foreign investment can be made in forms of cash, physical investment, intangible assets and equity, in addition with reinvestment of the foreign enterprises with the profits gained from the investment.

【Overseas Labour Services】refer to operational activities of organizing labour force to go abroad providing services to foreign enterprises or agencies.

【Income from International Tourism】refers to the total expenditure of inbound tourists on transportation, sightseeing, accommodation, catering, shopping and entertainment during their travel and sightseeing in China (mainland).

【Income from Domestic Tourism】refers to expenditure of domestic tourists on transportation, sighting, accommodation, food, shopping and entertainment while they travel.