The park is often cited as a model of cooperation.

此园区经常被用来称为合作的典范.

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Coal - fired factories and power plants are the world's most often cited polluters.

燃煤工厂和发电厂也是世界上最主要的污染者.

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Osteoporosis is often cited as a contraindication for pedicle screw fixation.

骨质疏松一直被列为椎弓根螺钉固定的禁忌症.

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They are right, but not for the reason often cited.

他们是对的, 但不是人们常说的理由.

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