五天工作制用英语怎么说？

five-day week
five-day work system,
five-day work week,
我觉得都可以

五天工作制:A five-day week

five-day work system

five workdays

Five-day work system

A five-day week has found an immediate welcome and much popularity since it was officially adopted across the country.
五天工作制自从在全国正式实行以来就立即受到了人们的普遍欢迎和拥护。