valueless

1. ADJ If you describe something as valueless, you mean that it is not at all useful. 無(wú)價(jià)值的

Such attitudes are valueless unless they reflect inner cognition and certainty. 這種態(tài)度如果不能反映內(nèi)心的認(rèn)知和確定性就毫無(wú)價(jià)值。

...commercially valueless trees. ...沒(méi)有商業(yè)價(jià)值的樹木。