Ungainful
a. 不賺錢的,無利的,無收益的
??? 情景例句
I hope you will like it here.
我希望你們喜歡這里。
He ate it in no time.
他一下子把它吃掉了。
On her way home she bought a new pen at a shop.
回家路上，她在一家商店買了一支新鋼筆。