An international aid group is calling for an overhaul of the world's food system, saying prices for staples such as corn will double in the next 20 years.

一个国际援助组织呼吁对世界粮食系统进行全面检查，称诸如玉米等主要食品粮食的价格将会在未来20年内翻倍。

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Immigration officials also defend the fee system, saying it provides spending flexibility, since revenues go up in proportion to any rise in applications.

移民局官员同样也维护该收费系统，认为它可以提供支出的灵活性，因为随着移民申请数量的增加相应的收入也会提高。

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But Russia was strongly opposed to the system, saying it undermined its national security interests and could lead to more instability in Europe.

VOA: standard.2009.09.17

if we can't think what system it belongs to, that's tantamount to saying we really don't know what it is.

我们就不知道它从属于哪个符号系统，我们就不能认识它了。

耶鲁公开课 - 文学理论导论课程节选

Many criticized the system saying it was difficult to manage all those facets of health care delivery and do all those things well.

FORBES: Is technology part of the health care solution --or part of the problem?

So there seems to be a little bit of a disconnect between saying in essence the system worked and Abdullah Abdullah saying the system can't work.

WHITEHOUSE: Press Briefing

The Liberal Democrats and Conservatives took the opportunity to criticise the current banding system, saying it does not have the support of teachers or pupils.

BBC: Plaid Cymru debate on education