Fool's errand
出国 Abroadn. 徒劳无功的工作
🧩 词语组成解析
🗣️ 情景例句
Like setting up a regular weekly reading program.
譬如说开办一项每周一次的定期阅读计划。
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。