词典释义：
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Chances of survival are dwindling to single digits now.
存活的机率下降到个位数了。
《How to Train Your Dragon》《驯龙高手》
双语例句
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Three percent. The low single digits.
仅仅百分之三。
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Alibaba says that returns are usually only in the single digits.
阿里巴巴则表示，退货率通常只有一位数。