1·Banning smoking would save needless deaths.
禁止吸烟会免除不必要的死亡。
—— 《牛津词典》
2·They greet their children's teenage with needless dread.
他们怀着不必要的恐惧迎接孩子们的青春期。
3·They greet their children's teenage with needless dread.
他们怀着不必要的恐惧迎接孩子们的青春期。
4·Much of this suffering is needless.
这些苦难中许多都是不必要的。
5·This caused a great deal of confusion and needless market fragmentation — which, in turn, impeded the adoption of the useful new paradigm.
这样就导致了令人难以理解以及不必要的市场分歧—反过来也阻碍了有实用价值的新模式的采用。