mandatory
adjective
UK/ˈmæn.də.tᵊr.i/
US/ˈmæn.də.tɔːr.i/
Definitions of mandatory adjective
Required by law or rules; something that must be done.
強制性的；必須履行的；法定的
The company implemented mandatory health checks for employees to ensure the well-being of all staff.
公司實施了強制性的員工健康檢查，以確保所有員工的福祉。
In some countries, it is mandatory for children to attend school until a certain age.
在某些國家，兒童必須上學直到一定年齡。
New regulations require mandatory safety training at all construction sites.
新法規要求所有建築工地進行強制性安全培訓。