As to

例句：

1. 1.As to the weather, it's supposed to be sunny tomorrow.
   就天气来说，明天应该是晴天。
2. 2.Regarding the new policy, I have some concerns.
   关于新政策，我有一些担忧。
3. 3. Concerning the meeting, we need to discuss the agenda.
   关于会议，我们需要讨论议程。