农场主往往要请季节工耕地和摘绵花。

Farmers have always relied on seasonal workers to plough the fields and pick the crops.

在城市，这些农民工打的都是季节工，做的都是最底层的工作；

These migrants would often take seasonal work in the city and accept the lowest-status jobs;

工厂必须保存完整且准确的所有雇员人事纪录，包括临时工与季节工。

The factory must maintain complete and accurate personnel records for all employees, including temporary or seasonal employees.