替代方案对供应商构成了可靠的威胁，即使转换的能力受到限制。
Alternatives provide a credible threat to suppliers, even if the ability to switch is constrained.
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。
Late in the 13th century, glass makers in Italy came up with a less expensive alternative.
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。
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.
其他替代方案在理论上很有吸引力，但在实践中要么不切实际，要么只能提供微不足道的改进。
The other alternatives are attractive in theory but in practice are either impractical or offer only marginal improvements.
目前，没有人能说出新工作岗位来自哪里或何时出现，任何明智的公司或国家都应该为所有替代方案做好准备。
No one can currently say where the new jobs are coming from or when, and any sensible company or country should prepare for all alternatives.
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。
They often offer a real alternative to the common and regular way of thinking.
我所要求的只是替代方案，而不是让我们所有人都走上学习微积分的道路。
All that I ask is that alternatives be offered instead of putting all of us on the road to calculus.
如果可能的话，通过频繁的竞标来公开寻求替代方案，可能会产生最好的结果。
Open pursuit of alternatives—by frequent competitive bidding, if possible—will likely yield the best results.
但是，想想替代方案还是值得的。
最终，我们必须提出替代方案和机会。
Ultimately, we have to present alternatives and opportunities.
查找对象及其属性的替代方案。
这提供了对使用任务的错误处理程序的替代方案。
This provides an alternative to using a fault handler for the task.
科学家们正在寻找替代方案，希望可以不再依赖这些病毒。
Scientists are developing alternatives that do not rely on viruses.
针对昂贵许可产品的开源替代方案能够帮助您节省大量资金。
Open source alternatives to expensive licensed products can save you a bundle.
这算不上可怕，但是足以促使我寻找别的替代方案。
That's not terrible, but it is enough that I want to look more closely at alternatives.
针对思科复杂的专利技术，他们也提出了更加易用的替代方案。
It too talked about offering simple alternative to the complex, proprietary technology offered by Cisco.
较好的替代方案就是采用组合而不是继承，如图3所示。
The better alternative USES composition rather than inheritance, as illustrated in Figure 3.
作为替代方案，您可以使用ABAP提取阶段来提取核心业务数据。
As an alternative, you could extract the core business data using the ABAP extract stage.
作为一种替代方案，自我管理的抽象数据缓冲区能够解决那些问题。
As an alternative, a self-managing abstract data buffer can combat those problems.
要达到这个目标，除了正式的跟踪矩阵，还有其他可行的替代方案。
There are viable alternatives to formal traceability matrix to achieve these.
在线论坛是一个很好的沟通渠道，是一个不错的和用户联系替代方案。
Online forums are a great communication channel that can be an alternative way for users to get in touch.
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。
As an alternative a client could opt to pull messages from the queue instead of getting it via a subscription.
尽管有这样的限制，人们仍使用各种替代方案来实现列表扩展。
Despite this limitation, people use various workarounds to enable the extension of lists.
某一个自称玛丽的留言人表示替代方案似乎就是用公众的钱补贴保险公司。
One commenter, identifying herself as Mary, said the alternative appears to be public subsidies for insurance companies.
混合煤气方案的替代方案便是打破纤维素和半纤维素的单体分子。
An alternative to the syngas method is to break the cellulose and hemicellulose up into their component "monomer" molecules.
一些理论家给出了一种替代方案——捕捉小行星来将其轻松地拖到指定位置。
In the alternative, say theorists, we could also capture an asteroid and simply haul it into place.
一些理论家给出了一种替代方案——捕捉小行星来将其轻松地拖到指定位置。
In the alternative, say theorists, we could also capture an asteroid and simply haul it into place. Um, o.
一些理论家给出了一种替代方案——捕捉小行星来将其轻松地拖到指定位置。
In the alternative, say theorists, we could also capture an asteroid and simply haul it into place. Um, o.
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