传统的采购模式有什么问题?
参考答案:
(1)采购双方的信息不对称;
(2)质量控制难度大;
(3)供求双方竞争对于合作;
(4)对客户需求的反应较慢。
—I think science is more useful than art. —I disagree. I think art is ______ science.
A. not so useful as B. less useful thanC. the most useful of D. as useful as
哪些情况下禁止启动汽轮机?