Chinese wall
noun [ C usually plural ] uk/ˌtʃaɪ.niːz ˈwɔːl/ us/ˌtʃaɪ.niːz ˈwɑːl/
（将内部可能发生利益冲突的各项职能相互隔开以防止敏感信息在部门之间相互流动的）中国墙
a method of preventing information from being shared, for example between people working for the same company but representing different interests
Different activities are carried out in different departments between which there are Chinese walls. 不同活动在不同部门内进行，并以“中国墙”隔开。