一周有七天。
I will be hard-working because "for the hard-working, a week has seven days;"
我将努力学习，正如谚语所说 “对于勤奋的人每周有七天；
The facility, which operates seven days a week from 9 a.m. to 9 p.m., has eight research rooms decorated as living rooms or home offices, with hardwood floors, soft lighting and comfortable furniture.
奥斯汀试验基地工作时间是每周七天上午9点至晚上9点，共有8个研究客房装饰成客厅或家庭办公室的样子-硬木地板，柔和的灯光，舒适的家具。
In India, Devarajan says while the country has plenty of water, no city in the country has drinking water twenty four hours a day, seven days a week.
Devarajan说，在印度，虽然国家有丰富的水源，但没有一个城市每天24小时、每周七天都有饮用水。
In India, Devarajan says while the country has plenty of water, no city in the country has drinking water twenty four hours a day, seven days a week.
Devarajan说，在印度，虽然国家有丰富的水源，但没有一个城市每天24小时、每周七天都有饮用水。
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