为了减缓或者避免认知能力的衰退，研究者们调查了抽烟、饮食、脑力挑战游戏、运动以及其他策略的效果。

To reduce or avoid it, researchers have examined the effect of smoking, diet, brain-challenging games, exercise and other strategies.

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据报道，这种策略有些效果。

This strategy is reported to have been effective.

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在本文后面将看到启用两个策略的效果（见 图 12）。

You will see the effects of two enabled policies later in this article (see Figure 12).

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That people--they develop some investment strategy and through pure chance it does well.

人们制定了一些投资策略,一些策略的投资效果碰巧十分有效

耶鲁公开课 - 金融市场课程节选