PPEA：证明了

“Proven A”经常缩写成PPEA，以便快捷书写、使用。

常见于商业领域 ,和伦敦证券交易所相关。

中文意思为：“证明了”。

Proven A具体释义

GDP is crucial to understanding economic performance, but it has proven a bad predictor of equity returns.
GDP对于理解经济表现有着至关重要的意义，但对股市回报率而言，GDP的预测作用就要大打折扣了。
The same can be said for internal teams, although typically these teams have already proven a particular approach, which provides the source for the analytical framework.
对于内部团队也是如此，不过通常这些团队已经验证了特定的方法，可为分析框架提供信息源。
That is an astonishing statement and yet proven a thousand times every day of our lives.
那是一个惊人的论断，在我们生活的每一天里被无数次证实。
The ingenious campaign has proven a hit with both unemployed professionals and headhunters, so Reputation Copenhagen has extended the two-week run, to keep up with demand.
这项巧妙的宣传很受失业的专业人士和猎头公司的欢迎，因此信誉哥本哈根公司为了满足需求，又把活动延长了两个星期。
Similar momentum this year should put an end to the transmission of polio in this particularly crowded corner of the world, which has proven a challenge to global eradication efforts.
今年的类似动力应能终止脊髓灰质炎在世界这一特别拥挤地区的传播，它已证明是对全球根除努力的一个挑战。