concern about的用法和樣例：
例句
- He is full of concern about his sick mother.
他非常挂念他有病的母親。 - The idle son gives himself no concern about his father's illness.
那位懶散的兒子對他父親的病情漠不關心。 - Concern about ecology is a recent development.
對生態的關心是最近才有的事。 - The nurses' strike typifies public concern about our hospitals.
這次護士罷工集中地反映出公眾對醫療事業的關心。
