/liːɡəl ɪˈfɛktɪvnəs/ – Phrase
Definition: hiệu quả trong phạm vi hiệu lực của pháp luật.
A more thorough explanation: Legal effectiveness refers to the ability of a law, contract, or other legal document to be legally binding and enforceable. It means that the document is valid and has the intended legal consequences according to the relevant laws and regulations.
Example: The legal effectiveness of the contract was called into question due to a lack of signatures from all parties involved.