Zhèyàng de wèntí yīérzài de chūxiàn, lìng rén dānyōu.
Such problems appear again and again, which is worrying.
Tips
usage
一而再 is often followed by 再而三 to form the full idiom 一而再，再而三, meaning 'over and over again.' Using 一而再 alone still carries the sense of repetition but with slightly less emphasis.
