concern的prep.形式
concern的prep.形式concerning 关于;涉及；
concern
vt. 影响，牵扯（某人）；关系到，涉及；使担心；
n. 担心，忧虑；关爱，关心；关心的事，负责的事
I didn\'t concern myself with politics.
我不关心政治。
Our primary concern must be the children.
我们首先要关心的必须是儿童。
The statistics were received with concern.
这些统计数字受到了关注。
These, then, are the main areas of concern.
总之，这些是人们主要关注的方面。
My prime concern is to protect my property.