Các câu ví dụ cho từ concern

1. There also continues to be concern about the latest mutations of this variant.

2. Shock to anger Adele Fox, national health coordinator for Sierra Leone at the charity concern Worldwide, told AFP that the search for bodies continued but that survivors were facing difficult conditions.

3. Countries around the world rushed to suspend travel from southern Africa after the World Health Organization said Omicron was "of concern.