✨ Best Answer ✨ 芫 almost 2 yearsago 題目有說要選擇機會成本(代價)最低者,選擇甲的代價比選擇乙高 會考生💗 almost 2 yearsago 喔喔好感謝沒注意到甲跟乙 Post A Comment
喔喔好感謝沒注意到甲跟乙