“拿着订单养羊，收入不愁。”养殖大户张四海成立合作社，与食品公司签订供货协议，带着30多户乡亲走上致富路。
Role, BBC高級體育記者,
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"This was really an "oh my God" moment," says the scientist behind the findings, Dr Peter Fretwell at British Antarctic Survey, who has worked on Emperor penguins for 20 years.