难道我和我的作业手逗你吗？
在这份作业中，你应该在修改版本中至少使用两笔二手的资源。
In this assignment, you should use at least two secondary sources in the revised version.
戴着合手，手指活动灵活，作业更是便利。
All wore hand, the activities of a flexible finger, is to facilitate the operation.
戴着合手，手指活动灵活，作业更是便利。
All wore hand, the activities of a flexible finger, is to facilitate the operation.
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