If you learn the______, your focus on relaxation, enjoyment and health will reduce stress,
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事实证明做这件事有好几种等效的方法。(equivalent)
______Julia Roberts began a career in acting.
In this international organisation, citizens in each country can migrate to the other countries more freely.
小学老师通过电子邮件布置作业，要求学生通过邮件完成作业，这一做法引起家长议论，请问你怎么看？
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