They have frequently intervened heavily to ensure a reliable domestic food supply, subsidising farmers and imposing import tariffs to prevent them being undercut when global prices are low.

它们经常在全球价格低迷时大力干预市场，通过补贴农民及征收进口税以免谷贱伤农，以保证稳定的国内食品供给。

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Our aim is to ensure quality, low prices, courteous service, and mutual benefit.

我们的宗旨是质量保证，价格低廉，服务周到，互惠互利。

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It would seem that a government seeking to display a true populist streak by helping its citizens buy houses would do so in a way to ensure prices as low as possible.

FORBES: How Is Federal Housing Policy Populist When Prices Are Rising?