a matter of concern 什么意思?

a matter of concern a matter of concern 什么意思? a matter of grave concern 什么意思呢如上 It is a matter of concern to 可否给例子?一个就可以了, as a matter of matter 英语翻译Nowadays,the flower in the green house has become a matter of great concern for the general public in our society.请问怎么翻译? His politics ___a matter of great concern to his friends.A.was B.is c.were D.being这里为什么选C呢．请解释一下. a matter of -would you do me a favor to choose a wedding dress?-of course ,but it is a matter of personal ()A.concern B .sense C.style D.taste为什么选D,C跟D有什么区别 there is a growing concern over the matter among the general public . 什么意思 想请教以下句式的用法(1) It is a matter of concern to ...(2) It has been recognized that ...(3) We generally expect that...(4) can aggravate the problem of... as a matter of fact. as a matter of fact As a matter of fact It is a matter of. as a matter of fact as a matter of routine a matter of important对吗