??? 情景例句
He was ill at ease at her birthday party.
他在她的生日宴聚會中心神不寧。
Don't make any mistakes.
別出差錯。
It is because in the modern world, English is very widely used for business between different countries.
這是因為在現今世界，英語廣泛應用于國與國之間的貿易往來。