Students use proandcon cards to weigh the advantages and disadvantages of each option before making a decision.
学生在做出决定之前使用正反权衡卡来权衡每个选项的优缺点。
The teacher facilitated a class discussion using proandcon cards to help students understand the benefits and drawbacks of different study methods.
老师使用正反权衡卡促进课堂讨论，帮助学生理解不同学习方法的好处和缺点。