Scientists set up an avian casino in which pigeons could place their bets on one of two symbols.

科学家们设置了一个鸟类的“卡西诺赌场”，在那里放上两个标志以供鸽子下赌注。

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Even in such an unpredictable contest, two outcomes are sadly fairly safe bets.

令人难过的是，即使是在一场如此难以预测的竞赛中，两个结果仍十分可能。

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He confidently bets the remainder of his pot, eighty-two dollars.

他满怀自信地将所剩下的钱，82美元全部押上。

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For U.S. investors who own foreign stocks or stock funds, they are, in effect placing two bets: One on the stock itself and one on currency.

FORBES: Currency's Impact On Your Portfolio: Five Things You Need To Know Now

When investors purchase a foreign stock or stock fund, they are actually placing two bets: one on the stock itself and the other on the currency the stock trades in.

FORBES: Currency's Impact On Your Portfolio: Five Things You Need To Know Now

While the currency portion of the two bets has worked extraordinarily well for U.S. investors since 2002, it may be time to reduce exposure or take that bet off the table altogether.

FORBES: Currency's Impact On Your Portfolio: Five Things You Need To Know Now