call in 和call at 的區別

熱心網友

call inTo take out of circulation:回收：使退出流通：calling in silver dollars.回收銀幣To summon for assistance or consultation:邀請：召來做助手或顧問：call in a specialist.邀請一個專家To communicate with another by telephone:打電話：用電話與別人聯系：Has the boss called in today?老板今天打電話來了嗎?call at打給某人, 訪問,停靠兩者都有拜訪的意思。