Unprofitably
adv. 無利可圖地；徒勞無益地；賺不到錢地
? 同義詞
??? 情景例句
Do I need a visa to go to HongKong?
去香港需要簽證嗎？
Let's ask Mr. Jiang to answer that.
那件事我讓蔣先生來答復。
What colour is it?
什么顏色的？