一位政府官员表示，到2010年，中国所有大中型城市的空气质量监测都将得到加强。
All large and medium-sized Chinese cities will have greater air quality monitoring by 2010, says a government official.
正在加州度假的总统表示，他已经与政府官员讨论了此事，没有发现经济隐患。
On vacation in California, the President said he has reviewed the matter with administration officials and found no underlying problems with the economy.
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