内容的信息在过去一段时间里是波动起伏的，而我们却进入另外的重要时期，那就是设备制造商再一次追着内容制造商寻求内容。
The value of content has been volatile in the past decade but we are entering another decisive phase in which device makers are again courting the creators of content.
总体而言，由于消费者信心指数起伏不定，零售商的股价大约从去年以来，就一直异乎寻常波动不已，拒绝形成任何一种趋势。
Overall, retailers' shares have been unusually volatile in the past year or so as consumer confidence has fluctuated, refusing to form any sort of trend.
最近，数学模型显示拥堵的波动起伏是因为驾驶员的行为。
More recently, mathematical models have suggested they may actually be down to drivers' behaviour.
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