Because most of those positions will demand very specific skill sets that are hard to acquire without direct experience.

因为大部分招聘职位需要候选人具有的专业技能只有干过这个职位的人才可能掌握。

youdao

We learn through direct experience; to accept a theory without experiencing it is to learn nothing at all.

我们通过直接经验学习；没有通过实践而接受一个理论是学不到任何东西的。

youdao

We learn though direct experience; to accept a theory without experiencing it is to learn nothing at all.

我们通过直接经验来学习，如果没有通过体验来接受一个理论就等于根本没学。

youdao