业务用户只需在服务管理门户中指定服务质量选项。
Business users only need to specify service quality options in the service management portal.
不断变化的业务需求使得范围和质量成为两个最难管理的因素。
Changing business needs make scope and quality the two most difficult factors to manage.
而且，当她们掌握制灯工艺时，她们也学会了质量管理、业务开发和市场营销。
And as they mastered lamp construction, they also learned about quality control, business development and marketing.
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