we should point out that, you know, one of those prime movers, which we should shout from the rooftops, is vaccines.
Steven Johnson: How humanity doubled life expectancy in a century | TED · TED
How native speakers pronounce “rooftops”
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we should point out that, you know, one of those prime movers, which we should shout from the rooftops, is vaccines.
Steven Johnson: How humanity doubled life expectancy in a century | TED · TED