雾中的能见距离降到了大约100米。
温度计显示温度降到了零度。
气温会降到最低点10度。
Suppose you could find 10,000 independent assets, then you could drive the uncertainty about the portfolio practically to 0.
假设你能找到一万项相互独立的资产,那么你就可以将这个投资组合的风险,降到几乎为零。
All right, so you can't get perfect efficiency, 0 but at least if you were able to go to zero degrees Kelvin, then you'd be all set.
好吧,你得不到完美的效率,但至少如果能把温度降到,那你就万事俱备了。
Over the next several months, unemployment began to subside irregularly, 6.3% down to 6.3% by June 1930.
接下来几个月,失业率开始不规则地降低,直到1930年降到。
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