This is the 6127th most frequent Chinese word.
層a
The term "層" (céng) means "layer" or "level" in English.
In this sentence, '層' refers to the levels of a building, indicating physical layers.
這座建築物有四層。
This building has four floors.
Here, '層' is used metaphorically to represent conceptual layers or levels of analysis.
問題分成好幾層去分析。
The problem is analyzed in several layers.
In this example, '層次' derived from '層', refers to layers or gradations in the context of people's needs or hierarchy.