曾经也踢过足球并当过足球教练的金斯伯格说，这类的科学研究能做的也就只能到这了，比赛中存在着太多的因素影响，而这些也将永远是比赛中未知的变数。

"This kind of science can only take you so far," said Ginsburg, who has also played and coached soccer. "There are an enormous number of factors that go into this."

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你知道不确定这个事实，因为不同的牌局总是有大量未知的变数在影响持续一致性。

You know the truth of this uncertainty, because there are always a number of unknown variables affecting the consistency of the deck that each new hand is drawn from.

youdao

第二，我们知道每个牌局都有一些未知的变数。

Second, we know that in gambling a number of unknown variables act on the outcome of each game.

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