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题库 / OG2017V-SC-223
The Baldrick Manufacturing Company has for several years followed a policy aimed at decreasing operating costs and improving the efficiency of its distribution system.
aimed at decreasing operating costs and improving
aimed at the decreasing of operating costs and to improve
aiming at the decreasing of operating costs and improving
the aim of which is the decreasing of operating costs and improving
with the aim to decrease operating costs and to improve
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e选项，应该是with the aim of doing吗？还是因为with 结构如aimed at doing更好？
另外的问题在于，aimed at decreasing 做policy的后置定语，policy 是aimed动作的发出者吗？这样logical吗？
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