🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
I don't know, sir, but I guess the computer made some mistake.
不知道呀，好像是电脑出了故障了。
She hired a car by the hour.
她租了一辆按钟点计费的汽车。