It’s only really the hard core that bother(s) to go to meetings regularly.

只有那些坚定的干子才会不怕麻烦定期去开会。

The older employees are the backbone of the industry.

富有经验的雇员是行业的干。

In 1998, some cadreman are admitted as shareholder.

1998，干吸收为股东。