短語詞組短語announce informally 非正式宣布operate informally 非正式地經營discu informally 漫話prepare informally 非正式地準備define informally 非正式地解釋search informally 非正式地搜索visit informally 順便來訪discuss informally 漫話Complimenting informally 非正式的稱贊 返回 informally