為 + NP + 所 + V is a formal passive-like construction often used in written Chinese to mark what is affected by an agent/cause.
Formal affectedness frame - subject receives action
Agent marking via 為 + NP - explicit source of action
Literary/official register - frequent in reports and essays
See examples below for varied real-world usage.
Strongly formal style
- Everyday speech usually uses 被.
Verb should support passive/affected reading
- Keep causation/action explicit.
Do not overuse in casual communication
- May sound stiff or archaic.
This resolution was accepted by all members.
The historical site was destroyed by war.
The plan was approved by the board.
This view was valued by later scholars.
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