After a manufacturer establishes a quality system, it should be maintained.
当一个制造商建立了质量体系以后，体系也需要维护。
Some people think that death penalty should be abolished while others insist that it should be maintained.
有些人认为死刑应当废除，而另一些人坚持死刑应当保留。
Some people think that death penalty should be abolished while others insist that it should be maintained.
有些人认为死刑应当废除，而另一些人坚持死刑应当保留。
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