whether or

基本解释

Many have begun it. I do not yet know whether or not they kept to it.
许多人都有开始在研究，但至于他们是否能够坚持下去，却非我预料所及的了。
But I do think it is time to reevaluate the things I do have and whether or not they add any value to my existence.
但是我的确认为是时候去从新评估这些我所拥有的物品的价值了，看看它们是否因为我的收藏而增值。
You should know your team well enough to know whether or not something like that would be positive reinforcement for them.
你必须对自己的团队有很好的了解，要弄清楚对于他们来说类似的东西是否真的可以起到正向强化的作用。

"We have no choice," he said, "as to whether or not we will play a great part in the world.
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。
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So can be changed slightly, depending on tense, past, present or future as well as whether or not you want to ask a question.
因此这个句型要根据不同的时态，如过去时、现在时和将来时，作出一点调整；另外也会根据是否是问句而略有不同。
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The evidence is not clear on whether or not splitting the role actually helps shareholder value.
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