In six months of using SuperMemo, I had to restore from a full backup three times, each time losing six to eight hours of work.

在六个月的使用期类，我做过三次完整恢复，每一次恢复都让我损失六到八个小时的工作。

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Interest rates have been raised three times in six months.

利率在六个月内三次上调。

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Craig Drexhimer, who works in SOLO, USES his treadmill three or four times in a week, he's lost 11 kilograms in six months.

就职于SOLO的雷格，德累克斯海莫，使用他的跑步机频率是每周三四次，他在六个月内减掉了11公斤。

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Craig Drexhimer, who works in SOLO, USES his treadmill three or four times in a week, he's lost 11 kilograms in six months.

就职于SOLO的雷格，德累克斯海莫，使用他的跑步机频率是每周三四次，他在六个月内减掉了11公斤。

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