在广泛采用新技术和新方法的同时，积极变革油田开发管理模式，以求获得最大的经济效益。
While widely using the new technology and new method, the company positively transforms the oil-field development management pattern, in order to obtain the maximum economic efficiency.
当志愿人员帮助其他人实现积极变革时，他们自己的生活也常常因为志愿服务本身而发生转变。
Even as volunteers help generate positive change for others, their own lives are often transformed by the act of volunteering itself.
与此同时，这些汽车制造商自身却对大举变革兴趣索然；批评人士坚称，积极变革是扭转美国汽车业长期下滑局面的必要举措。
The companies themselves, meanwhile, are showing little interest in the aggressive changes that critics insist are needed to reverse the industry's long-term decline.
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