You can pull the cord and your files should not use a different technology altogether.
你可以提取出没删除的,是用了一种不同的技术的。
and one of their bathtubs, there's supposedly an alligator.
是他们洗澡的地方,据说还有鳄鱼出没。
Once you've got them together, then you can compute the efficient portfolio frontier without the riskless asset.
当你明确了这些参数后,就可以算出没有无风险资产情况下的,有效边界了。
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