As an alternative a client could opt to pull messages from the queue instead of getting it via a subscription.
作为一个替代方案，客户端可以选择从队列中取出消息而不是通过订阅。
For more than a decade, the web created an alternative space that threatened television's grip on society.
十多年后，网络创造了一个替代空间，威胁着电视对社会的控制。
The company will suffer a great loss on the condition that it is forbidden to exploit this kind of alternative resource.
如果公司被禁止开发这种替代资源，公司将蒙受巨大损失。
An increasing number of scientists are beginning to explore the alternative of geo-engineering—a term which generally refers to the intentional large-scale manipulation of the environment.
越来越多的科学家开始探索地球工程的替代方案，这通常指的是有意的对环境进行大规模操纵。
If more than one species is competing for a scarce resource, the competing species usually switch to different alternative resources.
如果一个以上的物种竞争稀缺的资源，竞争的物种通常会转向不同的替代资源。
Even utility companies, which have long viewed batteries and alternative forms of energy as a threat, are learning to embrace the technologies as enabling rather than disrupting.
就连长期以来将电池和替代能源视为威胁的公用事业公司，也开始学着接受这种技术，认为它们是有利的，而不是破坏性的。
These communities are now turning to recycling as a cheaper alternative to landfills.
这些社区现正开始用回收这种较为廉价的方法替代废物填埋法。
Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.
因此，使用替代燃料和提高能源效率既是生态需要，也是技术挑战。
Every time any official in Beijing deliberates publicly about seeking an alternative to the U.S. dollar for the $2.1 trillion China holds in reserve, currency traders have a heart attack.
每当北京的任何官员公开商议，为中国持有的2.1万亿美元外汇储备寻找替代美元的货币时，外汇交易员就会心脏病发作。
What Washington does—or doesn't do—to promote alternative energy may mean less and less at a time of a global shift in thought.
在这个全球思维都在转变的时代，华盛顿在推动可替代能源发展方面作为或是不作为，其影响越来越小。
Furthermore, most species do not depend entirely on a single resource, if the major resource for a species becomes scarce, the species can usually shift to alternative resources.
此外，大多数物种并不完全依赖单一的资源，如果一个物种的主要资源变得稀缺，该物种通常可以转向替代资源。
Oversize watches are a great alternative to a cuff or bangle, and menswear-inspired shoes offer a quirky touch.
超大手表是袖口或手镯的最佳选择，而以男装为灵感设计的鞋子展现出一种别样的感觉。
Late in the 13th century, glass makers in Italy came up with a less expensive alternative.
13世纪后期，意大利的玻璃制造商发现了成本更低廉的替代方案。
Energy and sustainability experts say the answer to our future energy needs will likely come from a lot of comprise—both traditional and alternative.
能源和可持续发展专家表示，我们未来能源需求的答案很可能来自于大量的压缩，包括传统和替代性的压缩。
As an alternative, you can use the pip from an apricot stone that has a similar flavor and poison content.
作为替代品，你可以使用杏核中的果仁，它们都有着相似的味道和毒素。
When a practical goal is involved, however, Benjimin Franklin may best be regareded as a role model in this respect and asking people for advice often turn out to be the prime alternative.
但是，当涉及实际目标时，本杰明·富兰克林可能会被视为这方面的榜样，而向人们征求意见通常被证明是最佳选择。
Think of purslane as a great alternative to lettuce: the leaves and stems are crisp, chewy, succulent, and they have a mild lemony taste.
把马齿苋想成是生菜的一个伟大的替代品：叶和茎是脆的、耐嚼、多汁，而且它们有淡淡的柠檬味。
A British study took these findings one step further, asking subjects to complete a creative challenge (coming up with a list of alternative uses for a household item) .
英国的一项研究将这些发现向前推进了一步，要求受试者完成一项创造性挑战（即列出家居用品的其他用途）。
I suspect that some experts in the field will be keen to address alternative explanations, such as unassessed variables playing a role in the wellbeing decline.
我怀疑该领域的一些专家会热衷于寻找其他解释，比如未评估的变量在幸福感下降中发挥的作用。
I suspect that some experts in the field will be keen to address alternative explanations, such as unassessed variables playing a role in the well-being decline.
我怀疑，该领域的一些专家将热衷于作出其他解释，比如在幸福感下降中发挥作用的未评估变量。
It is far more likely that some sort of amicable settlement would be reached if the recalcitrant son or daughter knows that the alternative is a public trial.
如果不听话的儿子或女儿知道另一种选择是公开审判，那么更有可能达成某种和解。
Shopping online is a convenient alternative to driving to the store, because it helps save time.
网上购物相对于开车去商店来说是一个更便捷的选择，因为网上购物能节省时间。
Given that there is a living to be made at night, and given that alternative daytime trades are thoroughly occupied, natural selection has favoured bats that make a go of the night-hunting trade.
考虑到夜晚也可以生存，并且可供选择的白天的“交易”完全被占用，它们自然选择偏爱那些成功在夜间进行捕食“交易”的蝙蝠。
He finally took a break and during eight months in Santa Fe, Zappaterra learned about alternative healing techniques not taught at Harvard.
最终，他休息了一下并且在圣菲待了8个月。在那里，Zappaterra学到一些在哈佛没有的另类的康复技术。
While traditional "paid" media such as television commercials and print advertisements still play a major role, companies today can exploit many alternative forms of media.
虽然像电视广告和平面广告这样的传统“付费”媒体仍然发挥着重要作用，但现在的公司还可以利用许多其他形式的媒体。
While some Socialists did view price protests as a direct step toward socialism, most Socialists ultimately sought to divert the cost-of-living movement into alternative channels of protest.
虽然一些社会主义者确实将抗议价格视为向社会主义迈出的直接一步，但大多数社会主义者最终寻求将生活成本运动转移到抗议的其他渠道。
Considered to be a less dangerous alternative to tobacco, "e-cigarettes" are taking over the West as more and more people switch over when trying to kick the habit.
随着越来越多的人开始戒烟，被认为危险程度更小的替代物——电子烟在西方国家流行起来了。
The third approach, which is not new, comprises a series of measures ranging from pricing to revitalising alternative modes of transport and targeting investment in the trans-European network.
第三个办法并不是新的，它包括一系列措施，从定价到振兴不同的运输方式，以及针对跨欧交通网的投资。
They often offer a real alternative to the common and regular way of thinking.
相比普通和常规的思维方式，他们常能给出完全不同的替代方案。
It's a good idea to choose an alternative destination in case your first-choice tourist spot is not available.
如果你首选的旅游景点去不成的话，选择一个替代目的地是个好主意。
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