旅店里希望每天有干净毛巾的客人中,有多少人每天在家洗自己的毛巾呢?
How many guests who expect clean towels every day in an hotel launder their own every day at home?
患者必须每天在家重复听录音带。
我每天在家以及工作时平均要使用9小时电脑,却并不需要眼镜。
I use the computer at home and at work for an average of 9 hours per day and do not need glasses.
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