He found that mangroves store about three to four times more carbon per hectare as temperate forests or even tropical rainforests.

VOA: special.2011.05.10

+4 Because this could be three plus four, 3 times five, or it could be three, plus four times five.

因为这可能是，然后乘以5，也可能是，加上4乘以5。

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It will just as likely be misunderstood if you read it three, four, five, or ten times, if you are not attentive to what he's saying.

仍可能误解,但就算是你读了三遍，四遍，五遍或十遍，如果你没有仔细分辨他所说的话。

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