They get rested.
They find a job.
They go on holiday.
They get bored.
New things to wear
Someone who is too lazy to get a job
Someone who saves a lot of money
Someone who does not save any money
Someone who is not interested in a summer job
They work more hours during the holidays than they do during the schoolyear.
They only work during the holidays.
They try to find a job for when they have finished school.
They work much longer than is good for them.
They want to earn more money.
They want more adventure.
They want to earn less money.
They try to find jobs in the United States.
In an adventurous job
In a well-paid job
In their own time
In another country
That you have fun
That you go abroad
That you learn a lot
That you help others