But the move against Tyson, which follows criticism aimed at China by the Bush administration last week, has raised fears that a full-blown trade dispute may be brewing.

• 但中国政府对泰臣食品等美国公司采取的措施令人担忧,中美之间可能正酝酿着一场全面贸易冲突。上周,布什政府就食品安全问题对中国进行了批评。