adj.有效的；有法律效力的；正当的；健全的 双语释义：adj.(形容词)正当的,有充分根据的,符合逻辑的 (of arguments, reasons, etc.) well based or logical; sound有效的 that can legally be used for a stated period or in certain conditions有法律效力的 legally effective because made or done with the correct formali