Should a pandemic strain emerge, slowing its spread will be vital as this could buy valuable time to produce vaccines against the virus and introduce other emergency measures.

如出现大流行株，减缓其传播至关重要，因为这样可获取宝贵时间以便针对该病毒生产疫苗和采取其它紧急措施。

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As phone coverage spread between 1997 and 2000, fishermen started to buy phones and use them to call coastal markets while still at sea.

由于电话覆盖范围在1997年到2000年之间扩大，渔民开始购买手机，这样在海上就可以给岸上的市场打电话。

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The tax- deductibility of mortgage interest encourages people to buy houses rather than rent flats, buy bigger properties rather than smaller ones and therefore to spread out.

按揭利息的减税政策鼓励人们买房而非租房，而且鼓励买大房产而非小房产，所以人们越来越往郊区搬。

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Buy now and spread out your lease over three 10-month periods, with only 30% of your total obligation due in 2012.

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It's become normal for people to buy online and the spread of the online buying culture means it has become very democratic.

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Most visitors buy a bottle and spread the word.

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