Only by keeping down costs will America maintain its competitive advantage over other countries.

只有通过保持低成本美国才能保持对其他国家的竞争优势。

Millions of individuals die yearly for want of food, thus keeping down the mass.

每年都有无数人因为食物短缺而死去，因此人类也缩减了。

Food subsidies are necessary for keeping down the price of dairy products and bread.

食品补贴对控制乳制品和面包的价格是必要的。

But the real savings come from keeping down social transfers and especially from not indulging the middle class.

但是真正的节余来自减少社会转移，特别是不娇惯了中产阶级。

While HAART is really effective in keeping down active replication, minocycline is another arm of defense against the virus.

虽然HAART降低活跃的复制很有效，二甲胺四环素是对抗病毒的另一重要手段。