summarise the role of IT in service systems optimization and innovation?

summarise the role of IT in service systems optimization and innovation? play the role play the role the role of supplier the role of the role of women the role of commercial the role of migrant workers be cast in the role conclude 和 summarise的区别两个词都有总结的意思,但他们有什么区别?最好有例句.The results of the study will be ( )at the end of the project.为什么用summarise? 翻译the character of the leadership role summarise与plot的区别 八年级role-play the conversation play the role of a student是什么意思 the role of advertisment,求翻译! the role of people 求中文 The role of formal instruction什么意思 为什么需要take the leadership role?