Perhaps, then, an open mouth is more a sign of some impendingchange of state rather than a statement of tiredness itself; awake to asleep or vice versa.
如此说来，也许张嘴打哈欠只是一种即将改变状态的信号，而不是疲倦本身的表现；由醒到睡，反之亦然。
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It includes its impact on the Euro-zone economy, on the Euro itself, the opportunities and challenges that Euro faces and the impendingchange of the world's monetary structure.
These discoveries are being used to monitor new stream data to flag the change in cries and provide early warnings to doctors and nurses of impending problems.