Unprofited
a. 无益的
🗣️ 情景例句
Yes, we'll be arriving by car about ten o'clock Friday night.
是的， 我们将于星期五晚上十点钟左右开车抵达。
I really appreciate your help.
我非常感谢你的帮助。
There is a bottle on the table.
桌子上有个瓶子。