It ruled a wide-reaching empire. This week in our series, we look at how British power gave way to American influence after World War Two.
VOA: special.2011.08.04
How wide is the band of stuff that 99.9% usually 95% or 98%, but not 99.9%.
比如在95%-98%几率的情况下,一般是95%或者98%,但是达不到。
What they are trying to determine is how wide is the band of outcomes.
他们想,确定收益区间的跨度。
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