The Alternative class provides methods for the three types of event-selection strategy.

alternative类为三种事件选择策略提供了方法。

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The method select() of the Alternative class corresponds to an arbitrary selection strategy.

Alternative 类的 select() 方法对应着 任意选择 策略。

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The select method call blocks until one or more guards are ready (remember that all contending guards are known to the Alternative class).

select方法调用一直受阻塞，直到一个或多个警卫就绪为止(请记住，所有竞争的警卫对于alternative类来说都是已知的)。

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If Congressional majorities were an investable asset, we would likely be looking to use them as a diversifying alternative asset class!

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As a result, I believe that there now exists an intriguing opportunity for inclusion of this alternative asset class (i.e. real estate), through investment vehicles such as REITs and exchange-traded funds, in diversified growth portfolios.

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Managed futures-a very popular alternative asset class.

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