第1个回答 2012-08-13
回答:
be conerned about 关心;挂念 例句:Be concerned about the welfare of the poor.关注穷人的福利。
be concerned for 关心…;为…担忧 例句:There is a lot of emphasis these days on staying physically healthy, but we should also be concerned for our mental well-being 今天我们有很多重点来保持生理健康,但我们也应该关注我们的精神健康