MOBILITY - [noun] the ability to move from place to place easily and freely
Examples of use
People with families don't normally take up this job, because it involves permanent mobility.
Some young people just cannot stay in one place too long. They often find jobs that require high mobility.
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English speaking practise
Remember that if you don't use that word in English conversations or writing you'll forget it in a short time. So the best thing you can do to learn this word is just trying to use it in speaking or writing. Remember also that practise is the key to fluent english speaking.
You can always find a partner, who would also like to improve his/her