创造价值
参考答案：
在进行价值创造时不能只考虑企业提供产品或服务的价值，更应该考虑的是顾客增加的付出。
He had studied hard, he would have been able to pass the exam.
A. He had studied harder B. If only he studied moreC. Had he studied harder D. When he studied more
水泵停运后，为什么要检查转速是否到零？
