只有一线希望。
仍有一线希望。
他还抱着最后的一线希望。
You want to, for any given expected return, you want to minimize the standard deviation, so it's the left-most line and that means that everyone will be holding the same portfolio.
你希望,在期望收益固定的情况下,你肯定希望将标准差最小化,而这条线是最左边的线,这就意味着所有人,都愿意持有这样的投资组合。
Everyone would do that, no one would ever hold some other portfolio ... because you can see that this line is the lowest-- it's far--you want to get to the left as far as possible.
所有人都会这么做,没人会选择其他的投资组合,因为你们可以看到这条线是最低的-,你希望他越靠左越好。
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