Onthe role of context in determination of word meaning

Onthe role of context in determination of word meaning role of the role of supplier the role of the role of women the role of commercial perceptions of role autonomy是什么意思 the role of migrant workers 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 翻译the character of the leadership role Name e Role of compiler是什么意思 one of your role models 英语作文 英语翻译The influence of the manufacturing strategy onthe production of molds and dies He___a policeman in the film 是play a role of还是play the role of 必须要用play the role of,不能用play this role of吗