你可以在正反两面择一辩论。
你不能侍奉两个主人，你必须择一而从。
You can - not serve two masters; you must serve one or the other.
我很高兴它们俩都没有消失；我希望以后不会只能两者择一。
I am glad they both exist; I hope I never have to use either of them.
关于小论文，你可以在三个主题中择一完成六至八页的报告。
For the small paper, you will be given the choice of three topics on which to write a 6-8 page report.
当有两种相反却同样需要只能择一的两种选择时所产生的冲突。
The conflict presented when two opposite but equally appealing choices are available but can not both be obtained.
择一晴日登上千佛山，北望大明湖，这座现代城市便尽收眼底了。
A good view of the modern city is to climb up the mountain on a clear day!
作业一：从十个指定的多国环境协议中，择一简短介绍施行现况。
First assignment due: Brief status on efforts to implement one of 10 assigned multilateral agreements.
作业一：从十个指定的多国环境协议中，择一简短介绍施行现况。
First Assignment Due: Brief status report on efforts to implement one of 10 assigned multilateral environmental agreements.
然后，在实线性空间中建立了一个广义次似凸集值映射的择一性定理。
Then, a theorem of the alternative for generalized subconvexlike set valued maps in real linear spaces is established.
采用的心理物理学实验方法是单刺激随机阶梯法和单择一强迫选择法。
Method Psychophysical experiments were carried out using both single stimulus method based on random-gradient method and one-interval-forced-choice method.
然而Netflix强迫用户其二而择一的行为，将两者的弱点都暴露了出来。
By forcing customers to choose between the two, it has revealed the weaknesses of both of its offerings.
引进了相对内部，应用凸集分离定理建立了一个广义凸集值映射的择一性定理。
Then relative interior is introduced and an alternative theorem of generalized convex set-valued maps is established by using the separation theorem.
进行了研究，利用非线性二择一不动点定理建立了问题正解的一个存在性原则。
By using nonlinear alternative fixed_point theorem, a existence principle of positive solutions to this problem are established.
择一冬日之晨走访明尼苏达州的罗切斯特市，冰冻的街道上行人寥寥，分外冷清。
VISIT Rochester, Minnesota on an average winter morning and the frozen streets are virtually empty.
而且，在任一物体都能起作用的时候，例如能充当书镇的物体，孩子们会二者择一。
And in the case when any object would do, such as something that could act as a paperweight, the children brought either the fake one or the real one.
一旦要消费者在消费便利性和个人隐私间二者择一，大多数人似乎还是会每次都选择便利性。
When it comes to trading convenience against privacy, most people seem to back convenience every time.
重要的并不是进行二者择一的宣判，而是如何通过对争论的梳理来进一步认识艺术文化的人文本色。
And the important matter is not to pronounce the alternative judgement, but to further understand the humanistic nature of artistic culture by settling the dispute.
在序线性空间中，利用次似凸映射的择一性定理，得出具有一般约束的向量极值问题的最优性条件。
Using the alternative theorem, the optimality conditions of vector extremum problems with generalized constraint are established in ordered linear space.
一根磁针阴极的作用和阳极的作用都是一相真实的；拒绝也是一种接受——这些都是二中择一的选择。
The action of the negative pole of a magnetic needle is just as real as the action of the positive pole. To decline is to accept — the other alternative.
最后，利用择一性定理，获得了含不等式和等式约束的广义次似凸集值映射向量最优化问题的最优性条件。
Finally, the optimality conditions for vector optimization problems with set valued maps with equality and inequality constraints are obtained with it.
假如我赢了，你可以在我的职权范围内随意择一职位——也就是说，你能证明自己熟悉和胜任的任何职位均可。
If I win it you shall have any situation that is in my gift - any, that is, that you shall be able to prove yourself familiar with and competent to fill.
要是去借钱就得支付难以承担的高利贷，要是出售整个企业就很可能会损失我们投资总额的一半。我真是无法二者择一。
I can't decide whether to try to borrow money and pay higher interest than we can afford or else sell out and probably lose half of our investment.
他们也提议对于确保数百万中产阶层不交纳二择一最低税进行调整，后者原先设计用于仅仅对最富裕的美国民众进行征税。
They also propose paying for a fix to keep millions of middle class taxpayers from paying the AMT, a tax that originally was meant for only the wealthiest Americans.
他得在放弃工作和放弃原则二者中择其一。他选择了前者。
He had to choose between giving up his job and giving up his principles. He chose the former.
克莱格从与大卫·卡梅隆商讨分享权力的交易时得到的最大让步之一就是，举行一个是否对议会选举进行备择性选举的公投。
A referendum on introducing the alternative vote (av) for parliamentary elections was among the largest concessions Mr Clegg gained from David Cameron in negotiations over their power-sharing deal.
今年年初，他发起一项研究，提议要么在泰晤士河口另择新址修建一个四跑道的枢纽机场，要么扩大伦敦附近现有机场(如盖特·威克机场或斯坦斯特德机场)的容量。
At the start of this year, he produced a study calling for either a four-runway hub airport on a new site in the estuary or increased capacity at existing airports nearby, such as Gatwick or Stansted.
今年年初，他发起一项研究，提议要么在泰晤士河口另择新址修建一个四跑道的枢纽机场，要么扩大伦敦附近现有机场(如盖特·威克机场或斯坦斯特德机场)的容量。
At the start of this year, he produced a study calling for either a four-runway hub airport on a new site in the estuary or increased capacity at existing airports nearby, such as Gatwick or Stansted.
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