中間層

1. Origins, structure, and basic meaning

• Structure: 中間層 is read as ちゅうかんそう and means “middle layer” and “middle class”.
• Basic usage: It refers to the middle floors of a building and the socioeconomic middle class.

2. Common pitfalls and similar expressions

• 建物の中間層 / 中間層の暮らし
  • 建物の中間層 is a physical layer, while 中間層の暮らし concerns a social class.