What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.

我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。

耶鲁公开课 - 金融市场课程节选

Panter admits that time is not on City's side given RBS's stance that the club has only until the end of the year to repay its debts, but he stopped short of saying it would definitely mean the end of the road for the Blue Square South club.

BBC: Worcester say move is only option

That would mean putting fuel crops on just about every square inch of the U.S. (total land mass, 1.9 billion acres).

FORBES: Magazine Article

That would mean putting fuel crops on just about every square inch of the country (total land mass, 1.9 billion acres).

FORBES: Magazine Article