/ˈkʌlər bɑːr/ – Phrase
Definition: rào cản màu da, sự phân biệt chủng tộc.
A more thorough explanation: A “colour bar” refers to a discriminatory practice or policy that restricts or prohibits individuals of a particular race or ethnicity from accessing certain opportunities, facilities, or services based on their skin colour or racial background. This term is often associated with historical segregation practices and racial discrimination.
Example: The company’s policy of having a colour bar in its hiring practices was found to be discriminatory and in violation of anti-discrimination laws.