The non-linear of buffer material has a distinct effect on the sound insulating property of the composite floor, too.
缓冲材料的非线性对复合地板的隔声性能也有明显的影响。
Thus we are cautious in the near term on us equities, though valuations levels are sound and offer a buffer on the down side.
由此，我们对短期的美国股市持谨慎态度，尽管估值水平仍然良好并为下跌提供了缓冲。
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