By examining historical price data as mobile-phone coverage was extended down the coast between 1997 and 2001, Mr Jensen was able to show that access to mobile phones made markets much more efficient.
通过考察1997至2001年间,当移动电话的覆盖范围逐渐扩展到这个海岸时的历史价格,詹森先生能够表明手机的到来使市场更有效率。
Long-lasting insecticide-treated nets should be made available at no cost or at a highly subsidized price. Broad population coverage should be the goal.
应当免费或以高补贴价格分发长效杀虫剂处理过的蚊帐,目标是覆盖广泛人群。
Therefore, you should seek the best coverage you can get at the lowest price possible.
因此,你应该谋求以最低的价格来获得最好的保障。
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