1. 橡皮图章
A rubber stamp is a small device with a name, date, or symbol on it. You press it on to an ink pad and then on to a document in order to show that the document has been officially dealt with.

2. 随便同意;不加思索就批准
When someone in authority rubber-stamps a decision, plan, or law, they agree to it without thinking about it much.

1. routine authorization of an action without questions

2. a stamp (usually made of rubber) for imprinting a mark or design by hand

Synonym: handstamp