Especially for China which is that big you definitely need a map.

In order to follow the route one needs a map.

It's so long I don't need a map for some reason.

The facility was so large that many needed a map to find their way around the grounds.

Great idea to buy the book, now you need a map!

You might need a map to get to the right address after getting out of the metro.

You do need a good map (buy it at a book store).

You don't need a genetic map to see where this is headed.

The man chosen for the post last Tuesday does not need a map.

Neither should need a map to find their way around campus.