With low-oxygen waters currently producing abouthalf of the ocean's net nitrous oxide, we could see an additionalsignificant atmospheric increase if these 'dead zones' continue toexpand.
It turns out that the two positive links mentioned above are roughly offset by the two negative links — the net effect on U.S. output and employment is small.
3
约占GDP3%的净刺激——不算多,当面对的是一个42%的产出缺口时。
Net stimulus of around 3 percent of GDP — not much, when you’ve got a 42 percent output gap.