老板给了我们一些杂活来打发时间，其实这些工作毫无意义。

The boss gave us some ___busywork to kill time, but it was actually meaningless.

整理这些无关紧要的文件只是些表面功夫，对项目没有任何实际帮助。

Sorting these irrelevant files is just ___busywork that doesn't contribute to the project.