只要使用得当，它们可以为您省去大量的代码维护开销。
Used properly, they can save you substantial code maintenance overhead.
只要使用得当，这种测试是获得很多人的可比较信息的快捷方法，有时候还能够发现一些之前没有发现的潜力很大的大学生。
Properly used, they provide a rapid means of getting comparable information about many people. Sometimes they identify students whose high potential has not been previously recognized.
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