"Up/down", "big/small" is of the two common spatial concepts in our daily life.
“上／下”、“大／小”是我们日常生活中最常见的两个空间概念。
参考来源 - 现代汉语社会地位的空间隐喻实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Spatial metaphor is a way people use basic spatial concepts to understand many unfamiliar things.
空间隐喻就是人们运用基本的空间概念去理解一些不熟悉的抽象的概念。
In the "text-to-scene" research, which is an area in combination of natural language understanding and virtual scenes generating, the key is to understand the spatial concepts.
在把自然语言理解与虚拟场景生成结合起来的“文景转换”研究中，对空间概念的理解是关键。
Spatial relationship between objects is a kind of fundamental existence in the world in that it also serves fundamental function in understanding other concepts.
空间关系是客观世界里一种基本的存在关系，也是人理解其它概念的基础。
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