请求是根据具体情况决定的。

Requests are decided on a case-by-case ___basis.

她将以临时的方式为我们工作。

She'll work with us on a temporary ___basis.

他们提供的工作是以临时为基础，兼职或全职。

The job they are offering is on a temporary ___basis, part-time or full-time.