carry the banner meaning in English

流浪街头

I ' ve written a letter of complaint to state rail ; somebody has got to carry the banner for better standards of service
我已写一封抱怨信给国家铁路部门，总得有人要支持提高服务标准。
When most thinkers in the 18th century were carrying the banner and cheer , advocating mankind ' s fully enjoying all civilized achievements for scientific and technological reason , rousseau survived science and art from perspective of the human existence
摘要在18世纪的多数思想家为科技理性摇旗呐喊、倡导人类要充分享用一切文明成果时，卢梭即从人生存的角度对科学和艺术进行反思。