1980年代之前，一座有著高功率发送机的无线电塔，就足以涵盖整著城市，但可取得的频谱有限，因此能服务的顾客不多。
Before 1980, a single tower with a high - powered transmitter might cover an entire city, but limited spectrum availability meant that it could not serve many customers.
波尔曼说道，虽然这听起来不可取，但可能相当不错。
While this sounds undesirable, it can be quite good, says Polman.
请想象这种可能的境况：生活提供的可能不是幸福，但可能是所有一切中最可取的。
It is possible to imagine that the situations life offers may not be happy ones and yet may be the most desirable of all.
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