The final catch is whether the risk-return trade-off will be as good in practice as it is in theory.

最后的问题是，在实践中，风险和收益的平衡是否真的和理论上一样美好？

youdao

If it can be found, it will improve the trade-off between risk and return.

如果投资者们找到了这份“免费的午餐”，那么它将有助于改善风险和收益间的平衡关系。

youdao

Double- side nature of risk and risk- return trade- off;

重视风险的双侧性质和风险收益平衡关系；

youdao

They commit capital only when an investment has a favorable risk and return trade-off after costs.

FORBES: The Odds Favor Index Investors

Now, certainly this disaster did not do the shareholders of BP much good, but the point is that, in financial terms, there is an optimal risk-return trade-off to be made.

FORBES: The BP oil rig disaster -- better brace yourself: there is surely more to come

Individual investors select shares with the highest return and track record, consumers select the bank with the best rates, your pension fund invests your savings in companies with the highest risk-return trade-off, and so on.

FORBES: The BP oil rig disaster -- better brace yourself: there is surely more to come