as concerns造句

1、As concerns demand: the world's population is set to increase from six to nine billion in 2050.
需求方面：世界人口将从60亿增加到2050年的90亿。

2、As concerns the location of the proposed museum, there is no objection.
关于那个拟建的博物馆馆址，没有提出什么异议。

3、As concerns him, I have nothing to say.
关于他, 我无话可说。