But which is the correct channel to invoke a specific service?
但哪个才是调用特定服务的正确通道呢？
But which is the miracle invention here: the space technology, or the chart?
但哪个发明更神奇，空间技术还是航海图呢？
The 52% stake is owned by Old Mutual, an insurance firm with South African roots but which is listed in London.
由南非保险公司OldMutual掌握的52%股份将在伦敦上市，这意味着在南非当地不会造成什么混乱。
There are dozens of cooking oils you can use to whip up your favorite dishes, dressings, and desserts. But which is best?
有十多种烹调油可以让你发挥，制作你的拿手菜、做调味汁或甜点，但哪一个是最好的呢？
Any material which impedes the smooth development of your presentation, but which is important to justify the results of a thesis.
任何会妨碍你顺利陈述你论文的材料，但是它却对论证你论文的结果有重要作用。
Energy bars, gels, and drinks all supply needed carbohydrates before, during, and after those long runs you'll be doing this month, but which is best?
能量棒，凝胶和饮料，都可以提供您魔鬼月长距离之前，途中和之后的碳水化合物需要，但是，那一种最好？
Next comes a special class, RelevantResource, whose instances are not stated explicitly, but which is defined by inference on the properties of instances.
接下来是一个特殊的类relevantresource，它没有显式地声明其实例，而是由对实例特性的推论定义实例。
And in addition to Aaron Friedberg, another book along those lines that came out in 1999 but which is very prescient is Paul Bracken of Yale's Fire in the East.
除了阿兰·弗里德·伯格，1999年还有一本持相同的思路的书出版，它非常有预见性，那就是耶鲁大学保罗·布拉肯的《东方的战火》(Firein the East)。
The trick is to find an “instrumental variable” which can act as a proxy for one variable in a statistical analysis, but which is clearly unrelated to the others.
诀窍在于找到一种“工具性可变因素”，它能在统计分析中代替某种可变因素，但它显然与其他可变因素无关。
And I think sometimes people think I'm staring at them, and the young wowen think I'm going to persue them, but which is not true, and the others also wonder why is he staring at me.
我想有时候人们会认为,我在盯着他们看，年轻女子认为我想追求她们，但这不是真的，而其他人也在好奇为什么他要盯着我们看。
This purports to bethe best explanation of the universe beyond the Standard Model of physics thatdescribes all known particles and forces, but which is generally acknowledgedto be incomplete.
此次的研究成果是对宇宙最好的解释。 此前的标准物理模型描述了宇宙中已知的部分和力，但也被公认为是不完善的。
I know which area they live in, but whether I can find their house is a different matter.
我知道他们住在哪一地区，但能不能找到他们的住宅则是另外一回事了。
I want to conclude with problems, which may sound kind of negative but this is—I don't shrink from negativism.
我想以问题来结束，这听起来可能有点否定意味，但这是——我不会逃避否定。
I missed by a mile, which is a problem in drawing my lines, but never mind.
我差了一英里，这是我画线的一个问题，但无所谓了。
She was not only modest, which was usual in the nineties, but she was beautiful, which is unusual in any decade.
她不仅谦虚，这在90年代很常见，而且她很漂亮，这在任何一个年代都是不寻常的。
"Yes, but it is a chain, friend, which ensures you the blessed bread of existence," answered the poet.
“是的，不过这是一条锁链，朋友，它能确保你有面包吃。”诗人回答说。
Immigrants are quickly fitting into this common culture, which may not be altogether elevating but is hardly poisonous.
移民们很快就适应了这种共同的文化，这种文化可能并不完全发人深思，但也几乎没有害处。
Which is great in itself but also means that my "muffin top" is pretty much gone when I wear my favorite jeans.
这是很棒的，但同时也意味着当我穿上最喜欢的牛仔裤时，我的“腰部赘肉”已消失。
We are very sorry about this but I'm sure you'll find the Seal Centre which is directly opposite it will keep you entertained.
我们对此感到非常抱歉，但我相信，大家会发现海豹中心（在它的正对面）也能让你们玩得开心。
I just saw an exposition of the photos that had never been seen before; but anyway, this is the Hotel de Ville which is down by Notre Dame.
我刚看了一个展览，都是些之前从未见过的照片；但无论如何，这就是市政厅，往下是巴黎圣母院。
There are no matches tomorrow, which is a rest day , but the tournament resumes on Monday.
明天是休息日，没有比赛，但星期一继续比赛。
He has hair which is naturally black but which has been bleached by the sun.
他有着一头天生的黑发，但已经被太阳晒得变淡了。
"She is entitled to her personal allowance which is three thousand dollars of income."—"Yes, but she doesn't earn any money."
“她享有她3000美元收入的个人免税额。”—“不错，不过她根本不挣钱。”
I'm doing Mechanical Engineering which is really interesting but it covers quite a lot of areas like materials science, machine design, physics and of course mechanics.
我学的是机械工程，这很有趣，但它涵盖了很多领域，比如材料科学、机械设计、物理，当然还有机械学。
We were expecting a live band for the occasion which is always fun, but apparently this has been cancelled due to illness.
我们本来期待着一个一直以来都很有趣的临时现场演奏，但显然因为乐队成员生病已经被取消了。
A maker space is a place which can be in a school, but it doesn't look like a classroom.
创客空间可以设置在学校里，但这个地方看起来不想教室。
"AI is hugely exciting," she said, "but it has limitations, which present grave dangers given uncritical use."
“人工智能技术是非常振奋人心的，”她说，“但它有局限性：如果在使用时不加以分辨，会带来重大危险。”
That's true for voters. But government subsidy is a wobbly foundation on which to build a business.
对选民来说的确如此。但是，将企业建立在政府补贴的基础上也是不稳定的。
And now it is experiencing another period of panic, which is bad news for much of the workforce but particularly for its youngest members.
现在，它又经历了一段恐慌时期，这对大部分劳动力来说是个坏消息，尤其是对最年轻的成员。
And now it is experiencing another period of panic, which is bad news for much of the workforce but particularly for its youngest members.
现在，它又经历了一段恐慌时期，这对大部分劳动力来说是个坏消息，尤其是对最年轻的成员。
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