The problem is of the same order of magnitude for all concerned.

　　這個問題對有關各方的影響是一樣大的。

　　He didn't seem in the least concerned for her safety.

　　對她的安全他似乎一點都不擔心。

　　She had never been greatly concerned about her appearance.

　　她從來不怎么注重外貌。

　　Where people were concerned, his threshold of boredom was low.

　　涉及人的事情，他便極易感到厭煩。