China has also been angered by U.S.Naval operations inside its 320-kilometer economic zone, leading to some confrontations between American and Chinese ships.

VOA: standard.2009.10.27

to the... -Em... I'm not aware of any sort of...arguments with the say that it's a single economic zone.

成为。。。，-嗯。,我没听过有人反对,这样一个单一经济区的存在。

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