就这个项目而言，我们需要更多时间。

___As ___far ___as the project is concerned, we need more time.

就他的能力而言，我毫不担心。

I have no worries ___as ___far ___as his ability is concerned.

就环境问题而言，我们必须立即采取行动。

___As ___far ___as the environment is concerned, we must take immediate action.