For any business, the value a technology delivers is the key success indicator.

对于任何业务，某种技术交付的价值是关键的成功指示器。

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Tracking Conversions and measuring success: Defining KPI's (Key Performance Indicator), tracking conversion, and measuring success are ultimately the fundamentals for any promotion strategy.

跟踪转换率并且衡量效果：定义主要表现指标(KPI)、追踪转换率、测量成功是所有推广策略最基础的事情。

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They say Chaudhry's efforts to improve lower courts will be a key indicator of his long-term success.

他们说，从长远来看，乔杜里改进下级法院的努力将成为他成功的重要标志。

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These results often are a key indicator to the success in each relationship.

FORBES: Four Signs a Relationship Is Failing