短語詞組短語be of service to 對(duì);有用;翻譯be of service to sb 對(duì)某人有用處Could I be of service 能為您做點(diǎn)什么Glad to be of service 很高興為您服務(wù)Can we be of service 我們能幫忙嗎be in the service of 行政服務(wù) 返回 be of service