我们需要更多了解地理隔绝在促进新物种生成的作用。
We need to know more about the role of geographical isolation in stimulating the production of new species.
内容发布网络(CDN)通过在地理分散的网络边缘缓存数据来起作用。
CDNs work by caching data on the 'edge' of geographically dispersed networks.
只有完美地理解了原文所要表达的中心意义和作用，才能完美地在译文中表达出来，从而达成双方的共同的理解。
Only when the original meaning and function are comprehended can they be expressed thoroughly and perfectly in the target language, thus mutual understanding can be achieved.
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