Review construction plans, and sign or seal after approval.

一查核施工计画书，并于认可后签名或盖章。

youdao

Only both parties sign or seal, can this agreement go into effect.

以上协议须双方签章方生效。

youdao

Where that person refuses to sign or seal, the investigators shall indicate the situation on the records.

拒绝签名或盖章的，调查人员应在笔录上注明情况。

youdao

The seal was originally used as a signature or sign of authority, but it came to be used by all social classes and in much of Asia.

UNESCO: Culture

In the European Parliament today, the tell-tale sign is the presence of a cute cuddly seal toy, sitting on someone's desk, or peeking winsomely out of their bag.

ECONOMIST: European politics