You may ask why we look back over such a long period to measure average rates of return.

你也许会问为什么我们要往回看这么长一个期间来衡量平均回报率。

youdao

I computed the average return on stocks over that time period and I computed the average return on bonds over that time period.

我计算了那个时间段的股票平均收益率，和债券平均收益率。

youdao

Either below - average growth over a couple of years or a short period of declining prices can return the trend to the "normal" path.

如果今后几年间价格的升速低于平均水平，或者在短期之内出现下降，那么房价就有可能恢复到“正常”的轨道上。

youdao

I computed the average return on stocks over that time period and I computed the average return on bonds over that time period.

我计算了那个时间段的股票平均收益率,和债券平均收益率。

耶鲁公开课 - 金融市场课程节选

The average return over that period for the Barclays Municipal Index was 5.855% (total return), with price contributing 0.964% and coupon contributing 4.945%.

FORBES: Muni Bond Manager's Journal: Coupon Power Compounded

And return is the average return over the same time period.

FORBES: The Efficient Frontier

His advice produced an average return of 25.3% during that 270-day period.

FORBES: For Now, J.C. Penney A Buy: Analyst Days Often Boost Stocks