adj.不足道的;
例句:
These materials are now valueless ( worthless ) to us.
这些材料现在对我们毫无价值了.
This jewellery valueless; it is made of glass and ordinary metals.
这首饰不值钱, 它是由玻璃和普通金属做的.
This paper is of great valueless of consulting to reasonable investments and evading risks in bussiness.
本文对业主公司合理投资及规避风险具有参考价值.