serviceon Basic wordsalso onCEFR Intermediate (B1)? CEFR Upper intermediate (B2)? CEFR Advanced (C1)? Band 3 (BND3)? 服侍,服务,服务业 services services(noun) 服务,服务项目(service复数形式) service service(noun) 服侍,服务,服务业 Forms noun services service