Plus, the weekly grind of chauffeuring kids all over the place and getting to one class, game, or practice after another can be downright tiresome and stressful for parents.
加之，对父母而言，每周接送这地方的孩子们(包括自己的孩子)陆续去某一课程班上课，做游戏或者锻炼等琐碎苦差完全会令家长感到厌烦和有压力。
All students will write a weekly response paper of two to three pages (40% of grade) and co-lead one class, providing questions for discussion on that day (10% of grade).
学生每周要写一篇二至三页的心得报告(占成绩的40%)，合作带领一堂课，并且在当天提供问题让大家讨论(占成绩的10%)。
One group performed balance exercises on a computer-controlled platform once a week, one group took a weekly tai chi class, and a control group met for a weekly discussion.
一组每周在电脑控制的平台上进行一次平衡练习，一组每周上一次太极课，而另一受控组则每周进行一次讨论。
The time series analysis show that the two class of variables have one order negative correlation, and the trading activity has weekly seasonal effect.
时间序列分析显示两类变量都存在一阶负相关，而交易活动存在周日效应。
The time series analysis show that the two class of variables have one order negative correlation, and the trading activity has weekly seasonal effect.
时间序列分析显示两类变量都存在一阶负相关，而交易活动存在周日效应。
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