我想你们该研究一下“整合服务数字网络”，它将改变做生意的方式。

I think you had better research the ISDN; it's really going to change the way business is done.

youdao

我想你们该研究一下“整合服务数字网络”，它将改变做生意的方式。

I think you had better research the ISDN; it's really going to change the way business is done.

youdao