I have three part-time jobs, which bring in about $24,000 a year.

我有3份兼职工作，一年能赚大约$24000。

《柯林斯英汉双解大词典》

Many British teenagers have part-time jobs to earn a bit of money, but there are rules about how many hours they can work and what the minimum age is for certain jobs.

很多英国十来岁的青少年都作一些钟点工来赚些零用钱，不过他们的工作时间和合格从事某些工作的最低年龄在英国都有严明的制度规定。

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Several apprentices already had part-time jobs while they were in the program, and they continue to apply the lessons learned about management, social interaction, and technology.

有些学员已经在半工半读，不断积累和运用着学到的管理、社交和技术知识。

youdao

So why do journalists go on about an epidemic of part-time jobs?

ECONOMIST: No part-time job explosion

About 18% of American workers hold part-time jobs, a proportion that has barely changed in 15 years.

ECONOMIST: The Teamsters and UPS

Though there is a lot of vagueness about kids and money, the research is clear that part-time jobs are great for kids.

WSJ: Run Your Family Like a Business