They are seriously concerned about security.
他们非常关注安全问题。
Nowadays people are seriously concerned about the safety of recreation facilities.
游乐设施安全问题日益受到人们的关注。
We are seriously concerned about the relevant report.
我们严重关切媒体有关报道。
The business communities in the us are seriously concerned with this situation.
美国的商业群体十分关注这一情况。
The business communities in the us are seriously concerned with this situation.
美国的商业群体十分关注这一情况。
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