By itself, each would be inadequate. Together, however, they offer enough protection-and have the advantage that it is much harder for a disease to defeat four or five separate defences than just one.

每个单独防御本身是不够的，但是合在一起，它们就能提供足够的保护——并且还有这样的优点：对病害来说，突破四至五层防御比一层要困难的多。

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The advantage of a well-modelled transaction service is that the four ACID properties are always maintained for every single transaction.

模型明确的事务服务的好处是对于每个单独的事务总是维持四个ACID特性。

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It is, in part, because of this situational and logistical advantage that the Four Seasons has become one of the top three business hotels in Mumbai since it opened three years ago.

开业三年来，四季酒店一直是孟买最佳商务型酒店的前三名，其中一部分原因便得益于它得天独厚的地理位置和优质管理。

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"Four of the expelled NGOs have taken advantage of this latter flexibility and this week completed initial registration processes in Khartoum,".

VOA: standard.2009.06.11

The advantage of this is that now you have four binding sites for antigen instead of just two.

这样的好处是一个抗体上,有四个抗原结合位点而不仅仅是两个

耶鲁公开课 - 生物医学工程探索课程节选

The Hezbollah-led opposition in Lebanon is taking advantage of the decision by a United Nations-backed tribunal to release four senior generals, Wednesday,to score points ahead of the country's upcoming parliamentary elections.

VOA: standard.2009.04.30

England survived in comfort until half-time, and should have doubled their advantage four minutes after the interval.

BBC: Russia 2-1 England

During my recent law-school studies, I took advantage of four near-full-time internships.

FORBES: Internships Are Not Minimum Wage Substitutes

The visitors could have doubled their advantage within four minutes of the break when Marc Twaddle headed Healy's cross into the path of McLean, whose effort was blocked by Langfield.

BBC: Falkirk celebrate Colin Healy's goal