The other would measure the rate at which all students repay their loans, whether they complete the program or not.

VOA: special.2010.07.29

We can't help understanding. We always already understand, which has nothing to do again with whether or not we're right or wrong.

我们控制不住地去理解，我们总是已经理解了，这与对错无关。

耶鲁公开课 - 文学理论导论课程节选

I'm now exploring the question of whether or not stock prices are indeed memoryless, or the stock changes.

我现在要探索一个问题那就是股价,是否真的是无记忆的，或者说股票的变化是否是无记忆性的。

麻省理工公开课 - 计算机科学及编程导论课程节选

He couldn't care less about the quality of management inside his companies (how do you quantify that?) or about who will win U.S. presidential elections or whether hemlines are headed up or down.

FORBES: Three Ways to Beat a Flat Market

It remains unclear, however, whether or not the U.S. military did fire on the crowd or whether they fired over the heads of the crowd.

NPR: Anti-West Riots, Resurgent Taliban Roil Afghanistan

Farmers get the money whether or not prices are high or low, whether incomes are high or low.

NPR: Groups Push for End to Crop Subsidies