convenient method; handy method
A practical, easy-to-use approach or technique; often implies a clever or efficient way to do something.
Often used when a quicker or easier, but possibly less thorough, solution is chosen; can carry a nuance of taking a shortcut.
This cooking tool is a convenient method for busy people.
He used an expedient to solve the problem.
Compound of 便 (convenience) and 法 (method). The exact historical derivation is uncertain, but the kanji combination directly reflects the meaning.