real estate指的是“（房地产）不动产”；real property指的是“不动产”，包含范围较广；前者主要是指土地及附着在土地上的人工构建物和房屋，后者包含real estate及其附带的各种权益。见英释义：Real estate is a term that refers to the physical land, structures, and resources attached to it.Real property includes the physical property of the real estate, but it expands its definition to include a bundle of ownership and usage rights.