关心...

My concern is that ...

我关心的是。。。

This is a matter of concern.

这是人们所关心的。

My second concern is that....

我关心的第二个问题是

Thank you very much for your concern.

谢谢你的关心。

I am writing this letter to you to express my concern about ...

我写这封信的原因是我想说我关心。。。

And it's not my concern.

这不是我该关心的。

But my concern is for you, not the company.

但是我关心的是你，而不是公司。

This is what they are most concerned with.

这是他们最关心的问题。

I'm concerned about with you.

我很关心你。

For the people, the policy is important, but they are more concerned with price.

人民的政策，是重要的，但他们更关心的是价格。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。