quite expensive

The hotels are quite expensive.

Here, quite = very. “The hotels are very expensive” has the same meaning as “The hotels are quite expensive”. Notice the following examples of how the adverb "quite" can be used:

1. That watch is quite nice, but very expensive.
2. That car is very nice, but quite expensive.

bed-and-breakfast

You can find a nice bed-and-breakfast.

Bed-and-breakfast describes a small hotel or traditional inn that offers guests a free breakfast and a place to sleep. Notice the examples of "bed-and-breakfast:

1. I prefer a small bed-and-breakfast in the country to a five star hotel in the city.
2. Charles and Suzanne spent their holiday at a lovely bed-and-breakfast in France.
   

would cost you (should cost you)

It would cost you maybe thirty pounds.

In this mixer, “it would or should cost you” means that if you buy something, someone with experience can tell you about how much you will spend. Here are two samples:

1. If you travel before summer, hotels in Europe should cost you much less.
2. A fast food hamburger would cost you about the same anywhere in Europe.

walkable

It is walkable.

As Rachel says, “walkable” means you can walk around the city quite easily without having to take buses, taxis or trains. “Walkable” can also mean a city that’s fun and interesting to walk around. Notice the following uses of "walkable":

1. Tokyo is a beautiful big city, but it’s not very walkable, and public transportation is quite expensive.
2. The distance from our hotel to the underground is walkable, and there are interesting shops along the way.
   

the way it is

That's the way it is.

We use the phrase “that’s the way it is” to give information about something that’s not so good but true. Here are two sample sentences using “that’s the way it is”:

1. There is no easy way to learn English. That’s the way it is
2. Of all the stores in town, that is the only one that accepts credit cards. That’s the way it is.