Their communication systems are inefficient in the extreme.
他们的通讯系统效率非常差。
...the closure of outdated and inefficient factories.
设备陈旧、效率低下的工厂的关闭
...the inefficiency of the distribution system.
分销系统的低效
Energy prices have been kept low, so energy is used inefficiently.
能源价格一直维持低水平,所以能源利用效率很低。
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