工资周期
两次发工资间隔的.时间。可以是每天（极少），每周，每月，双周，半月（每月两次，通常在月中和月末，bi-monthly本意是双月的意思，而实际上是指一月两次，人们将错就错）。
Pay rate
An agreed amount that the company pays per unit of time worked or unit of work done.
工资标准
公司按双方商定的支付标准，以计时或计件的方式支付员工工资。
Gross
The base employee income for a specified period, based on pay rate. Can be:
1. Salary (a fixed amount, daily/weekly/monthly, which is adjusted, based on number of days worked/not worked)
2. Wage (an hourly rate adjusted for the number of hours worked)
3. Piece (a certain amount for each unit of work done)
The gross income can also be adjusted for items such as commissions and bonuses.