🗣️ 情景例句
Thanks for everything, if you ever need a favor in return, just let me know.
感谢你所做的一切，如果你需要我帮忙的话，尽管开口吧。
What is wrong?
有什么不对吗？
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。