Domestic investment comes in various forms, including business investment in machinery and buildings; household investment in homes; and government investment in people (education, skills), knowledge (research and development), and infrastructure (transport, power, water, and climate resilience).
国内投资形式繁多，包括机械和建筑的商业投资、家庭住房投资以及政府对人力（教育、技能）、知识（研究和开发）和基础设施（交通、电力、水和气候恢复力）的投资。