substitute agent 的近义词 19 个

• proxy
• stand-in
• alternate
• backup
• delegate
• deputy
• expediency
• expedient
• fill-in
• makeshift
• recourse
• refuge
• replacement
• representative
• resort
• resource
• stopgap
• sub
• pinch hitter

substitute agent 的反义词 2 个

• permanent
• real