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valid
01
有效的, 合理的
(of an argument, idea, etc.) having a strong logical foundation or reasoning
Example
Her proposal was considered valid because it was supported by thorough research and evidence.
The decision to implement the new policy seemed valid after a careful analysis of its potential benefits.
Example
The contract is only valid if both parties sign it.
Your passport must be valid for at least six months to enter the country.
