The seas are full of the cast-offs of humanity, from tub toys that have fallen off container ships to boats swept away in storms to bottled messages deliberately set adrift.
海洋中充满着人类的废弃物，有从货运船上掉下的浴缸玩具，也有被风暴冲走的小船，还有故意封存在漂流瓶中纸卷。
However, there are performance trades-offs that must be understood and evaluated against the overall set of requirements.
然而，必须根据全部的需求来理解和评估性能的权衡。
The sound from the audio source behaves accordingly to how you set the graph of roll offs.
根据你设置的衰减图形，来自音频源的声音行为。
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