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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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with表示伴随主语的动作，主语的动作是has follow，这样就变成了has followed with the aim to，但aim to其实是为了修饰这个policy
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