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。
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。
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.
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