If you do a practice test, you must work out why you made each and every mistake; otherwise you are missing out on valuable 'learning' time.

在你做练习的同时，你需要清楚的了解做错的原因，否则你就是在浪费宝贵的学习时间。

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Patients could communicate with their providers bye-mail and schedule appointments online, and their chances of being harmed by a mistake or of missing important preventive care would drop.

病人可能通过电子邮件或按约定时间与服务供应商在线交流，他们受失误或缺少重要预防医疗措施的影响而受伤害的机率也将会下降。

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After the game a teary-eyed Jim Joyce apologized for missing the call and it was clear the mistake had profoundly affected him.

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