他通常在星期一到星期五工作 He usually works from Monday to Friday. He doesn't work both Saturday and Sunday 星期六和星期日他通常不工作 He works on Saturdays and Sundays 他通常在星期六和星期日工作 He works on Saturda...
we simply use 1-7 standing for monday to sunday(or 0-6, sunday-saturday). refer to the following logic. bool IsUsual(int dayNum) { if(dayNum >= 1 || dayNum <= 5) return true; ...