勤奋的人，一个星期有七天；懒惰的人，一个星期有七个明天。

For the hard-working, a week has seven days; for the lazy, seven tomorrows.

他着手进行了一项实验，要求志愿者们每晚睡大约七个半到八个小时，一个星期后再将睡眠时间调整为六个半到七个小时。

He set up an experiment and asked his volunteers to spend a week sleeping around seven and a half hours to eight hours a night and the next sleeping six and a half to seven hours.

于春末逾越节后七个星期和第一次收割节的开始之间(如,收麦时节).

Late spring 7 weeks after Passover and the ingathering of the first harvest eg Wheat.

一个医生和一个推销员同时爱上了一个姑娘，推销员得出差一个星期，因此他送给姑娘七个苹果。

A doctor and a salesman fell in love with the same girl. The salesman had to leave for a week on business and so he gave the girl seven apples.

作息表上，一周有七个星期一，由于是为自己打工，他从不在乎周六是否可以轻松一些。

In Cang’s calendar, there are seven Mondays in a week. Since he works for himself, he doesn’t care to make Saturday more self-entertaining than any other day.

你有近五到七个星期（看你是何时开始）的时间写短篇研究报告，需仔细检视某一商业改善区域组织之兴起及其成功。

You have five to seven weeks (depending on when you get started) to write a short research paper that carefully examines the emergence and success of one business improvement district organization.