Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right or left-handed when the offspring would have the same genetic predisposition.
这也不能解释为什么在一个由父母一方决定利手的物种中，当后代具有相同的遗传倾向时，他们并非完全是右撇子或左撇子。
Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right-or left-handed when the offspring would have the same genetic predisposition.
这也不能解释为什么在一个由父母一方决定用利手的物种中，当后代具有相同的遗传倾向时，他们并非完全是右撇子或左撇子。
Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right- or left-handed when the offspring would have the same genetic predisposition.
这也不能解释为什么在一个由父母一方决定用手习惯的物种中，当后代具有相同的遗传倾向时，他们并非完全是右撇子或左撇子。
Ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？
Why not buy a second-hand car first if you don't have enough money for a new one?
如果你没有足够的钱买一辆新车的话，为什么不先买一辆二手车呢？
This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers , and why male fiddler crabs have such large claws.
这就是为什么一些雄鸟长着充满异国情调的羽毛，为什么麋鹿拥有巨大的鹿角，为什么雄性招潮蟹有这么大的爪子的原因之一。
That's one reason why we have launched Arc, a new publication dedicated to the near future.
这就是我们推出Arc 的原因之一，因为这是一份为不久的将来而创造的新出版物。
Safety concerns have been one of the biggest reasons why the country has lost over half a billion in revenue already in the first six months of 2016.
该国在2016年前6个月已经损失了5亿多美元的收入，其中最大的原因之一就是安全问题。
One day, you will wonder why you have no clean socks, and why some of your best friends can cook a delicious meal but you cannot!
将来某天，你会觉得奇怪：为什么你一双干净袜子都没有，为什么你最好的几个朋友可以做出一桌好菜，而你却不行！
Why not have one big cylinder of the same displacement of the eight cylinders instead?
为什么不用具有八个气缸同等排量的一个大气缸代替？
One good question is why have the Marxists been to a certain extent familiar with the great philosophical struggle, while the defenders of freedom were not?
一个不错的问题是，为什么马克思主义者已经在一定程度上熟悉了这场伟大的哲学争斗，而自由的辩护者们却没有？
When you look at this list of what makes for a satisfying job, you might wonder why everyone can't have one.
当你看着这份清单，你也许会疑惑为什么人们不能有一份自己满意的工作。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？
That's why we always try to have at least two guides, one Israeli and one Palestinian, plus many local guides all along the way.
这也是为什么我们总是安排至少两个导游，一个以色列的一个巴勒斯坦的，另外沿途还有许多当地导游。
I'm going to compare two skills that I have (writing and editing) and explain why one is a superpower and one is just a skill.
我要对比我的“写作”和“编辑”两项技能来解释，为什么一项对我来说是超能力，而另一项只是一种技能。
This CDS chain reaction is one of the major reasons why the Europeans have kept Greece on life support for so long.
这种CDS连锁反应正是欧洲人为何这么长一段时间以来持续向希腊输血的重要原因之一。
But some big electronic companies such as Microsoft and Amazon have pointed out that it is very cheap to access new reading material using an e-book, so why wouldn't you have one?
而一些大的电子公司，如微软、亚马逊等对此深信不已：他们认为如果使用电子书可以非常便宜地获得新的阅读材料，那你为什么不去拥有一本呢？
No one fully understands why the cod have not returned to the Grand Banks off Canada, even after 16 years of no fishing.
甚至16年钓不到鱼，都没人能完全理解为什么鳕鱼不再洄游到加拿大的大浅滩。
All recent EU treaties have introduced more majority voting: why did we bother, one diplomat asked crossly this week.
最近所有的欧盟条约都已经引入了多数票决的形式。一名外交官本周生气地问道，我们管这些干什么？
Women may also experience additional symptoms when they have heart attacks, and no one is quite sure why.
对于心脏病发作的女性来说，也许会有更多征兆，对此人们尚且无法解释清楚。
’ is as discouraging as if you say to Emily, ‘Well, this is nice, but why don’t you have one of them kick the other one — give us some action.’
这就好像你对艾米丽说‘非常好，这很漂亮，但是为什么你不使他们中的一个去踢另一个，这样可以给我们一些动感’这都是很令人气馁的。
In the end, I only have one big beef with office dreams and that is why we have to have them at all.
最后，我对办公室梦仅有一个巨大的不满，那就是我们为何非要做这种梦。
We have over 100 metadata sources, and this is why we have so many errors: if you have only one source of truth, you never have any doubt.
我们有超过100个信息源，这就是为什么我们有这么多错误。如果你只有一个信息源可以信任，你就决不会产生怀疑。
This is the reason why we have two ears and only one mouth, that we may hear more and speak less.
这就是为什么我们有着两只耳朵而只有一张嘴巴的道理，我们可能要多听少讲。
Social phobia sometimes runs in families, but no one knows for sure why some people have it, while others don't.
有些社交恐惧症是家族遗传，但没有人能真正说清楚为什么有些人有而有些人又没有。
As time passes, extra marital affairs pop up and women have only one question then, why do married men cheat?
随着时间的流逝，外遇就出现了，随后女人们就只有一个问题，已婚男人为什么要欺骗她们？
Sure, robots have been playing sports for ages, but seeing this here creature revived begs the question: why don't we all have one or two of these laying around the house by now?
当然，机器人会玩体育运动并不稀奇。但这种发明让我们又一次想起一个被回避的问题：为什么我们不买一个或两个机器人放在家里呢？
After all, there is no obvious reason why parents should choose to have only one child just because the Berlin Wall has come down.
不管怎么样，都没有理由说明仅仅因为柏林墙倒了，父母就应该选择生一个孩子。
After all, there is no obvious reason why parents should choose to have only one child just because the Berlin Wall has come down.
不管怎么样，都没有理由说明仅仅因为柏林墙倒了，父母就应该选择生一个孩子。
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