“成功之道”常见的英文表达有 "the path/way to success" 或 "the secret/key to success"。
"the path/way to success" 侧重于描述达成成功的过程或途径，强调一种持续的努力或方向。
例句：Persistence is the path to success.（坚持不懈是成功之道。）
"the secret/key to success" 更侧重于揭示成功的关键因素或秘诀，强调某种特定的方法或要素。
例句：Hard work is often considered the key to success.（努力工作常被认为是成功之道。）