There are rules that restrict the kinds of jobs that foreign students can have while studying in the United States.

VOA: special.2009.01.15

Okay, so in oil we all know that in the late 60s, early 70s, OPEC was formed precisely to restrict quantity among the major oil producing countries, and very quickly we see companies take other countries take advantage of this to start producing oil profitably.

众所周知在上世纪六七十年代,为了限制石油的产量,主要产油国成立了OPEC组织,但是很快就有一些国家,利用这点来产油获利

耶鲁公开课 - 博弈论课程节选

Immigration rules restrict employment for international students in the United States.

VOA: special.2009.01.22

The biggest push in nearly two decades to restrict firearms in the U.S. collapsed in the Senate on Wednesday, scuttling a major element of President Obama's second-term agenda.

WSJ: Warriors GM Works His Playbook

London argues the rules will drive away talent and restrict growth in the financial sector.

BBC: Eurozone confident on Cyprus bailout

London argues the EU's bonus rules would drive away talent and restrict growth in the financial sector.

BBC: EU agrees to cap bankers' bonuses