0 the position or purpose that someone or something has in a situation, organization, society, or relationship -- 地位；職責；作用；任務
What is his role in this project? 他在這個工程中負責甚麽？
Six people have been put on trial for their role (= involvement) in the anti-government demonstrations. 六人因為參與反政府示威遊行而受審。
The role of the police is to ensure (that) the law is obeyed.
Television has an important role to play in popularizing new scientific ideas.
The government should be playing a more prominent role in promoting human rights.
The kidney plays a vital role in the removal of waste products from the blood.
She's done all the important Shakespearean roles apart from Lady Macbeth.
Marlene Dietrich was immortalized through her roles in movies like 'The Blue Angel'.
