You may consider this air way bill as negotiable document, but it is non-negotiable document and cannot be transferred.

贵方可能以为这张航空运货单是流通单据，但是它是非流通单据，是不可转让的。

youdao

While the Senate passed a bill in March in a bipartisan 72-24 vote, the House has only a shell bill to offer, plus its "non-negotiable" insistence on mandatory approval of Keystone XL. The Senate majority has its own bazooka: a presidential veto if Keystone XL is in the bill.

CNN: STORY HIGHLIGHTS

In due course, Bill Clinton accepted this formulation, as well, when it became a non-negotiable Senate precondition for approval of the CWC.

CENTERFORSECURITYPOLICY: Out of control