许多社区开发的项目业已进入成熟阶段，甚至可以用于商业的软件生产中，且不用担心质量问题。
Many community driven projects are now maturing to the stage that they can be used even on commercial production software without having to worry about quality.
在太平洋彼岸，美国市民担心丰田汽车的质量问题。
On the other side of the Pacific, US citizens are worried about the quality of Toyotas.
他指出北京奥组委已经兑现了向国际奥委会的承诺，但他也承认空气质量问题仍令人担心。
He said Beijing's Olympic organizers had met their commitments to the IOC, though he acknowledged that 'air quality remains a concern.
他指出北京奥组委已经兑现了向国际奥委会的承诺，但他也承认空气质量问题仍令人担心。
He said Beijing's Olympic organizers had met their commitments to the IOC, though he acknowledged that 'air quality remains a concern.
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