支持和反对这项新政策的理由都很充分。

There are strong ___arguments both for and against the new policy.

他反对该计划的主要理由是成本太高。

His main ___argument against the plan was its high cost.

支持远程工作的一个理由是节省了通勤时间。

One ___argument in favour of remote work is the time saved on commuting.