Characters

• 功 (功): meritorious deed or service; achievement; result; service; accomplishment; work (physics)
• 效 (俲): variant of 傚|效[xiao4]

Resources

• Wiktionary: 功效
• MDBG: 功效
• Examples with 功效 on Tatoeba

Examples

很多人都相信針灸有治癒疾病的功效。

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