usable

1. ADJ If something is usable, it is in a good enough state or condition to be used. (指某物) 可用的; 能用的

It's been reported that no usable fingerprints were found at the scene. 據(jù)報(bào)道，現(xiàn)場(chǎng)沒(méi)有發(fā)現(xiàn)任何可用的指紋。