【Skill 1】Choose your period of work from expressions such as 単発 (one-off) and 長期 (long-term)
Learn the following expressions, and choose your period of work.
■ 単発（one-off）
■ 短期（short-term）
■ 長期（long-term）
Generally, you choose one-off when you only want to work for one day, short-term when you want to work from 2 days to 6 months, and long-term when you want to work for more than 6 months.