白板上不允许使用永久性记号笔。

___Permanent markers are not allowed on the whiteboard.

这次受伤给他留下了一道永久的疤痕。

The injury left him with a ___permanent scar.

五年后，公司向她提供了一个永久职位。

After five years, she was offered a ___permanent position at the company.