but_cannot_be_sure_有道手机词典

1.The workers believe it was bin Laden, but cannot be sure.
这些劳工认为那就是本·拉丹，但无法确定。
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2.Unfortunately I favor melanin but cannot be sure from the photos.
然而，我不能从这些图片中确信是黑色素。
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3.It maybe that some have them already, but we cannot be sure.
也许有些人已经拿到了，但我们不能肯定。
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