No one knows for sure when or why it began to symbolize peace.
没有人确切地知道它是什么时候或者为什么开始成为和平的象征。
Nobody knows how they do it with such accuracy, or why eels spawn where they do.
没有人知道它们如何做到那么准确，或是鳗鱼为什么要在大海里产卵。
Too many people in this country, including some among our elected leadership, still do not understand how science works or why robust, long-range investments in research vitally matter.
在这个国家有太多的人，包括我们选举出来的部分领导人，仍然不明白科学的运作方式，也不明白稳健、长期的投资对研究来说的重要性。
Do you ever wonder (琢磨) why you like certain animals or why you like to do certain things?
你有没有琢磨过，为什么你会对一些特定的动物或是事物产生喜爱之情？
告诉我为什么，或为什么不。
Do you like shopping? Why or why not?
你喜欢购物吗？为什么？
But we have no idea how or why they died.
但我们却并不知道他们为何身亡。
What do we live for or why do we have this life?
我们生活来做什么？或者说我们为什么要有这生命？
Would you like to help strangers? Why or why not?
你愿意帮助陌生人吗？为什么或为什么不呢？
I don't know what we are doing or why we are doing it.
我都不知道自己在干什么，为什么要这么干。
Do you ever give money to charity? Why or why not?
你会把钱捐给慈善机构吗？为什么会捐或者为什么不捐？
Are you afraid of ghosts or monsters? Why or why not?
你害怕鬼或怪物吗？为什么或为什么不？
But she must have had one, or why would she have a cage?
但她一定养了鸟，要不为什么有一只鸟笼呢？
Should we keep the animals in the zoo? Why or why not?
我们应该把动物留在动物园里吗？为什么？
But they cannot say for sure who is fighting whom-or why.
但是他们不能确切说出谁在和谁打仗——或是为了什么。
Do you think she has a healthy lifestyle? Why or why not?
你认为她有健康的生活方式吗？为什么有或为什么没有？
You know roughly what happened... but not exactly what, or why.
您大致知道发生了什么……但是无法确切地知道发生了什么，或者为什么会发生。
Do you think Kathy was right in doing this? Why or why not?
你认为凯茜这样做对吗？为什么对，为什么不对？
In your opinion, are such relationships good? Why or why not?
你认为这种关系好吗？
Ask, instead, why the bonus is deserved or why the idea is superior.
而是问，某人为何应该拿奖金，或是为什么这个想法非常好。
Do you think square dancing should be forbidden? Why or why not?
你认为应该禁止广场跳舞吗？为什么或为什么不呢？
So sometimes that’s why calls get dropped or why you get poor quality.
这也就是为什么通话当中有时会出现掉话或音质差的原因。
So sometimes that's why calls get dropped or why you get poor quality.
这也就是为什么通话当中有时会出现掉话或音质差的原因。
Are you afraid of going to the dentist or the doctor? Why or why not?
你害怕去看牙医或医生吗？为什么怕或为什么不怕？
If an object is on display in a museum, is it a work of art? Why or why not?
如果一个物件摆在一个博物馆里，它就是个艺术品吗？为什么是？或者为什么不是？
Health Blog Questions of the Day: Do you get an annual checkup? Why or why not?
健康博客今天的问题是：你做健康年检吗？为什么做？或为什么不做？
Health Blog Questions of the Day: Do you get an annual checkup? Why or why not?
健康博客今天的问题是：你做健康年检吗？为什么做？或为什么不做？
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