It is not just the size of land deals that remains uncertain. Their contractual basis often is, too.

不仅地坛交易的规模不明朗，并且他们的合同基础也经常是这样。

youdao

Certain jobs are of such special character that particular rules apply. For example work for a staffing agency, teaching, artistic work and employment on a contractual basis.

某些性质特殊的工作适用于特殊规定。例如，在就业安置机构工作、从事教育或艺术类工作、或者做合同工。

youdao

Michael: Our manufacturing about is 12,000 square meters and our factory employs 300 employees full-time with several on a contractual basis, as needed, based on order levels.

我们的厂房占地12，000平方米，全职职工是300人，还有一些在订单多时临时聘用的合同工人。

youdao

Cooperation between relevant stakeholders should be the key to a new contractual basis.

UNESCO: MEDIA SERVICES

With PAL grounded, he would be free to hire the carrier's unemployable pilots, stewards, maintenance and ticketing people for cheap wages - and probably on a contractual basis.

CNN: PHILIPPINE AIR GETS GROUNDED

In a statement Linfield said that they regard "much of IFA's publicly expressed concerns about Windsor Park as being motivated less by a genuine concern over the state of repair of the ground and more as the basis upon which IFA now seeks to avoid its contractual commitment to LFC (Linfield Football Club)".

BBC: SPORT | Football | Irish | Linfield blast IFA over Windsor