...乃至... means even/to the extent of and extends a scope toward an extreme or broader endpoint, often in formal writing.
Scope extension - pushes from one range to farther endpoint
Formal connective style - frequent in academic/news/policy registers
Escalation effect - adds rhetorical weight by broadened inclusion
See examples below for varied real-world usage.
Prefer formal contexts
- In casual speech, alternatives may sound more natural.
Ensure logical escalation
- Second part should extend/heighten first part.
Keep argument structure clear
- Avoid vague piling without clear hierarchy.
The impact reaches from individuals to the whole community.
The discussion covers education, and even institutional reform.
This change will affect cost, and even market strategy.
The issue is not only technical, but extends to management level.
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