according to an anonymous source
...it is authoritatively learned自权威方面获悉 according to an anonymous source 据一位不愿透露姓名的消息灵通人士说 foreign wire services were quoted／cited as saying援引外国通讯社的消息说 ..
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according to an anonymous source
据一位匿名人士透露
以上为机器翻译结果，长、整句建议使用 人工翻译 。