spare level的意思|示意

He could discern a dresser with a fair level of certainty, as well as a spare chair.

他能够分辨出一个梳妆台，还有一把备用的椅子。

The part-time job will certainly distract me at some level, I need to spare some time to do it.

兼职当然会在一定程度上分散我的注意力，我需要花一些时间去做。

When I was in college, I spent some of my spare time working as a math tutor for people in the lower-level mathematics classes.

在大学时，我利用课余时间为数学较差的学生补习。