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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
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
题目主要考的是名词和v-ing的区别。名词是一个封闭式的概念，有结束的时间，V-ing表示持续的概念，没有结束的时间。题目的谓语形式用的现在完成时，表示这件事一直在持续，所以这里用动名词decreasing和improving
e的独立主格形式造成于主句的关系松散，用aimed修饰更好,aim at固定搭配
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