"from Monday to Friday" 或 "from the start of the week to the end of the week" 都可以表示 "一到星期五"。
这种表达方式来源于英语中日常用语中的表达习惯。在英语中，星期一是一周的开始，星期五是一周的结束。
例句1:
I usually work from Monday to Friday.
(我通常从星期一到星期五工作。)
例句2:
I'll be busy from the start of the week to the end of the week.
(我会从星期一到星期五很忙)