众所周知，词汇是
under the banner of 以……的名义
释义
If someone does something under the banner of a particular cause, idea, or belief, they do it saying that they support that cause, idea, or belief.
例句
Modern China is not the first or the only country to forge a new economic system under the banner of Marxism.
GRE
Although the industrial union organizations that emerged under the banner of the Congress of Industrial Organizations (CIO) in the 1930s and 1940s embraced the principles of nondiscrimination and inclusion, the role of women within unions reflected the prevailing gender ideology of the period.
尽管打着20世纪30、40年代的产业工会联合会旗帜出现的工业公会支持非歧视和包容的原则，女性在公会中的角色还是反映了当时主流的性别理念(歧视)。