They must start to work after having their stay visa changed by Immigration office when they make an official working contract.

已正式签订劳动合同时，须办理滞留资格变更许可后才可开始劳务。

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Employers are closing in on the limit for hiring foreign high-tech workers for jobs next year, roughly two months before the start of the 2006 fiscal year, an immigration official said Monday.

星期一，美国一位移民官称，雇主们为明年雇佣外国的高科技人员的申请已经接近限额了。

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One recent visitor said the Ellis Island immigration hall feels alive with the stories of people who left their native lands long ago to start a new life in a new country.

VOA: special.2009.06.29

For a start, immigration into Colorado is slowing down.

ECONOMIST: The suburban West

If you'll look again at the Cleveland Fed chart above, you'll notice that the collapse in labor's share of national income coincides with the start of the mass immigration influx after 1970.

CNN: STORY HIGHLIGHTS

While start-ups are important to job growth and innovation in America, U.S. immigration laws make life for start-up companies much more difficult.

FORBES: New GAO Report Makes the Case for a More Open Policy on Foreign-Born Professionals, But You Need to Read it Closely to Know Why