Was heißt »brauchbar« auf Englisch?

Das Adjektiv brauchbar lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Der Hubschrauber ist so brauchbar, dass er eines Tages den Platz von Autos und Zügen einnehmen mag.: The helicopter is so useful that someday it may take the place of cars and trains.
Das ist eine brauchbare Information.: That is a useful piece of information.
Es ist schwer, heutzutage brauchbare Hilfe zu bekommen.: It's hard to get good help these days.
Zitierfertigkeit gibt einen brauchbaren Geist-Ersatz ab.: The ability to quote is a serviceable substitute for wit.
Dieses Buch ist sehr brauchbar.: This book is of great use.

When travelling abroad, it's useful to learn at least a few polite phrases in the local language.
Is this material useful for our project?
Can someone recommend to me a good dictionary suitable for beginners?
This map will be useful to you.
You'll find this map useful.
This might be useful to you.
His Polish skills came in very useful to him.
Thanks for the useful comment.
Most jelly babies are not suitable for vegans.
The dead are useful to the living.
A jumper is sometimes useful even in August.
"Mam?" "What?" "What's a kilometre?" "Just over half a mile. Here, make yourself useful. Here's 50p. Pop over the shop and get us a bag of flour."
This is a very useful dictionary.
These clothes are not suitable for a cold winter's day.
Dairy cows are useful animals.
Tom measures his worth on how useful he is to others.
If there is a suitable occasion, I'll introduce you to Tom.
It could prove useful.
This book will be useful to anyone hoping to improve their memory and logical thinking.
The teacher handed out some useful learning materials among the pupils.