EDI
参考答案：
电子数据交换，是企业内部应用系统之间，通过计算机和公共信息网络，以电子化的方式传递商业文件的过程。
Peter’s jacket looked just the same as Jack’s，but it cost________his.
A．as much twice as
B．twice as much as
C．much as twice as
D．as twice much as
行车前一定要对照明、信号装置进行检查。
