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surrogate
意味
A person who takes the place of another, typically to act as a substitute in a specific role or capacity.
"The manager appointed a surrogate to attend the meeting in his place."
A woman who gives birth to a child for another person or couple, usually through an agreement.
"The couple decided to hire a surrogate after years of struggling with infertility."
Serving as a substitute for something else, often in a technical or experimental context.
"Researchers used a surrogate marker to track the progression of the disease."
To act as a substitute for someone or something else.
"The company attempted to surrogate the original materials with cheaper synthetic alternatives."