Definition
regardless of which of two possible situations occurs; in any case
无论在两种情况下的哪一种，不论如何
I can't decide whether to take the job in New York or Chicago, but in either event, I will have to move.
我无法决定是要接受纽约还是芝加哥的工作，但无论如何，我都必须搬家。
We are unsure if she will be found guilty or innocent; in either event, she will be allowed to go free, given the charges.
我们不确定她会被判有罪还是无罪；但无论如何，基于指控，她都会被允许获释。
You might choose to travel on the weekend or on vacation, but in either event, you should book your trip as soon as possible.
你可以选择周末或假期旅行，但无论如何，你应该尽快预订行程。