So, what we've got here is a source of alpha particles.

我们已经有了一个阿尔法粒子源。

麻省理工公开课 - 固态化学导论课程节选

It seems that country selection is a better source of alpha than company selection.

FORBES: When Investing, Why I Pick Countries Over Companies

Risk awareness relative to the reference index has become paramount among fixed income players and arguably a source of alpha in and of itself.

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The book focused on access to alternative asset classes as the primary source of endowment alpha.

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