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1. The salary of a hireling is 6 pounds per day.
   雇工一天的工资是六镑。
2. London have on average7.6 hours of sunshine per day during May.
   伦敦五月份每天平均有7。6小时日照时间。
3. The travelling expenses work out at12 dollars per day each.
   计算的结果，每天人每天的旅费是12美元。
4. The room rate at this motel range from$30 to$50 per day.
   这个汽车旅馆的房价每天从三十美元到五十美元不等。