有时候我们思乡情切，有时对我们的身份感到失落和困惑，有时我们面临新的层次的文化冲击和压力。

Sometimes we feel lost or confused in our identity. Sometimes we face new levels of culture shock or stress.

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但几乎肯定的是，蜂群的生存压力有其更深层次的原因——营养不良。

But there is almost certainly a further factor causing stress on the bees-a poor diet.

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类似地，高层次事件能够被拆分成一个或者多个低层次事件或动作；例如，更换压力控制阀、拉响警报或发出警戒信号。

Similarly, high-level events can be decomposed into one or more low-level events or actions; for example, changing a pressure control valve, sounding an alarm, or signaling an alert.

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