求翻译：While the U.S. economy added 244,000 net new jobs last month, the unemployment rate increased from 8.8 percent to 9 percent as discouraged workers started looking for jobs again, and the total number of unemployed remains at an all-time high of 13.7 million, according to the Bureau of Labor Statistics. The bright spot, of course, is manufacturing. U.S. factories, especially in the low-cost Sunbelt, are starting to hum again. As wages in China increase, U.S. factories should continue to gain. Still, we have a long way to go. Millions of U.S. jobs have disappeared in recent years, and Washington's best efforts to put Americans back to work seem to have had little impact.是什么意思？

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