有助益
5.The revival of the railway service will be immensely beneficial for the speedy movement of passengers and cargo.

7.You are not obliged to answer these questions, but it would make our task easier.
8.Such bipartisanship will do something to burnish his reputation as a reformer.
10.Your input to those ideas is valuable to the public service and to others in the city who are thinking about these thing.

