受け皿

1. Origins, structure, and basic meaning

• Structure: 受け皿(うけざら) means a saucer placed underneath something and, figuratively, a base that accommodates people or demand.
• Basic usage: It describes a flowerpot's water-catching saucer or an industry that takes in unemployed people by offering jobs.

2. Common pitfalls and similar expressions

• From a saucer to a source of capacity
  • 植木鉢の受け皿 means the saucer under a flowerpot.
  • 雇用の受け皿 refers to an industry, organization, or similar body that takes people in through employment.