短語詞組短語be of service to 對;有用;繙譯be of service to sb 對某人有用処Could I be of service 能爲(wèi)您做點什麼Glad to be of service 很高興爲(wèi)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