Chinese Wall
A legal and banking term describing a barrier to the passage of information that could lead to conflicts of interest e.g. a firm separating their investment team from those privy to insider information which could influencing trades.
Why it matters
A culturally insensitive term using a nation's culture to describe a blocker. It derives from either the Great Wall of China or Chinese screens in internal architecture. It was popularised in the 1929 U.S stock market crash when the U.S government legislated to separate investment bankers and brokerage firms.
Instead try saying:
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